
Category of Astronomical Heritage: tangible immovable
Rundetårn, Copenhagen, Denmark
Format: IAU - Outstanding Astronomical Heritage
Description
Geographical position - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:24:07
Author(s): Gudrun Wolfschmidt
Rundetårn (Round Tower), , Købmagergade 52A (Pedestrian street), 1150 Copenhagen, Denmark
Location - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 4
Status: PUB
Date: 2019-06-17 17:02:30
Author(s): Gudrun Wolfschmidt
Lat. 55° 40′ 52.86″ N, long. 12° 34′ 33.0204″ E, elevation 16m above mean sea level.
IAU observatory code - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2019-06-17 12:37:58
Author(s): Gudrun Wolfschmidt
---
Description of (scientific/cultural/natural) heritage - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:20:07
Author(s): Gudrun Wolfschmidt

Fig. 1. Rundetårn (Round Tower), Copenhagen (Wikipedia)
The new observatory, the ten-storey round tower (Rundetårn), part of the Trinitatis church, was built in 1637/42 by the architect Hans Steenwinkel the Younger (1587--1639). The Rebus on the south facade refers to the patron King Christian IV. (1577--1648), King of Denmark and Norway of 1588 to 1648.

Fig. 2. 209-m-Spiral Ramp ("Donkey Stairway") in Rundetårn, Copenhagen (Wikipedia, Mariano ZF Barcelona)
The 209-m-Spiral Ramp ("Donkey Stairway", Eselstreppe, equestrian staircase) is unique in European architecture.
The building (Stellaburgis Hafniens) was used for scientific purposes by the University of Copenhagen until 1861, as an astronomical observatory, as a student church and as a university library (founded in 1482). The platform in 35-m height offers excellent observation conditions. In the Great Fire of 1728 the Trinitatis Complex was severely damaged but was rebuilt. The Round Tower is the oldest observatory in Europe, still in operation, as a Public Observatory.
History - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-11-23 17:38:54
Author(s): Gudrun Wolfschmidt

Fig. 3. Rundetårn, Copenhagen, Rebus "1642" (Wikipedia, Christian Bickel)
The first director
Christian Sørensen Severin, called Longomontanus (1562--1647) began in 1589 as an assistant to Tycho Brahe in Uraniborg, studied from 1597 to 1602 in Breslau (Wrocław), Danzig (Gdańsk), Königsberg (Kaliningrad) and Rostock, and in 1605 was appointed as a first professor at the University of Copenhagen. His work Astronomia Danica (Amsterdam 1622) was dedicated to Christian IV.
He proposed to replace Tycho’s lost observatories Uraniborg and Stjerneborg, Island Hven, Denmark (today Ven, Sweden), which were destroyed in 1601.
In 1929 the platform on the tower was replaced by a dome.
State of preservation - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2018-08-23 14:35:21
Author(s): Gudrun Wolfschmidt
The buiding is still in good condition.
Comparison with related/similar sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 7
Status: PUB
Date: 2022-08-14 14:17:54
Author(s): Gudrun Wolfschmidt

Fig. 3. Rundetårn, Copenhagen (1642), (Doppelmayr, Johann Gabriel: Atlas Coelestis in quo Mundus Spectabilis. Nuremberg: Homann’s Heirs 1742)
It is a very unique building at this time, a starting point for tower observatories -- comparable to other Mathematical Towers:
Clementinum Prague (1722), Zwehrenturm in Kassel (1710), Specola - Bologna Observatory (1712), Old Vienna Academy Observatory -- tower on the top (1755), Osservatorio Astronomico di Brera of the Jesuits in Milano (1762), Padova (Padua) Observatory (1767), Mannheim Observatory (1772).
Very large tower observatories are:
Kremsmünster, Austria (1749), Mathematical Tower of the University Breslau / Wrocław (1791), Bogotá Observatory, Columbia (1803).
Threats or potential threats - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2021-03-30 01:02:17
Author(s): Gudrun Wolfschmidt
no threats
Present use - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:00
Author(s): Gudrun Wolfschmidt
The Rundetårn is used as a public observatory.
Astronomical relevance today - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:35
Author(s): Gudrun Wolfschmidt
The Rundetårn, Copenhagen, was used for scientific purposes by the University of Copenhagen (Library and Observatory) until 1861, then the light pollution from the surrounding city and vibrations caused by the ever increasing traffic in the streets below had made the observations inaccurate. Since then, no modern astronomy was produced any more, the tower is now used for public outreach.
A new Copenhagen observatory, the Østervold Observatory, on a bastion of the city fortifications was inaugurated in 1861 (Neoclassical style) to the design of Hans Christian Hansen (1803--1883), a famous Danish architect, influenced by Karl Friedrich Schinkel (1781--1841).
References
Bibliography (books and published articles) - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:26:50
Author(s): Gudrun Wolfschmidt
- Poulsen, Erling: Centuries of Astronomy -- Astronomy in Denmark (2009), https://web.archive.org/web/20090202090040/http://rundetaarn.dk/engelsk/observatorium/history.htm
- Wolfschmidt, Gudrun (Hg.): Astronomie im Ostseeraum -- Astronomy in the Baltic. Proceedings der Tagung des Arbeitskreises Astronomiegeschichte in der Astronomischen Gesellschaft in Kiel 2015. Hamburg: tredition (Nuncius Hamburgensis -- Beiträge zur Geschichte der Naturwissenschaften; Band 38) 2018.
Links to external sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:27:48
Author(s): Gudrun Wolfschmidt
- Round Tower - A living landmark of Copenhagen since 1642
- Rundetaarn (Wikipedia)
- The Round Tower of Copenhagen ... & The Trinitatis Church
- 3-D model of the tower
PrintPrint contents of 'Description' tab
(opens in a new window) Theme
Astronomy from the Renaissance to the mid-twentieth century
Case Study Navigation
- InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:24:07
Author(s): Gudrun Wolfschmidt
Rundetårn (Round Tower), , Købmagergade 52A (Pedestrian street), 1150 Copenhagen, Denmark
Location - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 4
Status: PUB
Date: 2019-06-17 17:02:30
Author(s): Gudrun Wolfschmidt
Lat. 55° 40′ 52.86″ N, long. 12° 34′ 33.0204″ E, elevation 16m above mean sea level.
IAU observatory code - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2019-06-17 12:37:58
Author(s): Gudrun Wolfschmidt
---
Description of (scientific/cultural/natural) heritage - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:20:07
Author(s): Gudrun Wolfschmidt

Fig. 1. Rundetårn (Round Tower), Copenhagen (Wikipedia)
The new observatory, the ten-storey round tower (Rundetårn), part of the Trinitatis church, was built in 1637/42 by the architect Hans Steenwinkel the Younger (1587--1639). The Rebus on the south facade refers to the patron King Christian IV. (1577--1648), King of Denmark and Norway of 1588 to 1648.

Fig. 2. 209-m-Spiral Ramp ("Donkey Stairway") in Rundetårn, Copenhagen (Wikipedia, Mariano ZF Barcelona)
The 209-m-Spiral Ramp ("Donkey Stairway", Eselstreppe, equestrian staircase) is unique in European architecture.
The building (Stellaburgis Hafniens) was used for scientific purposes by the University of Copenhagen until 1861, as an astronomical observatory, as a student church and as a university library (founded in 1482). The platform in 35-m height offers excellent observation conditions. In the Great Fire of 1728 the Trinitatis Complex was severely damaged but was rebuilt. The Round Tower is the oldest observatory in Europe, still in operation, as a Public Observatory.
History - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-11-23 17:38:54
Author(s): Gudrun Wolfschmidt

Fig. 3. Rundetårn, Copenhagen, Rebus "1642" (Wikipedia, Christian Bickel)
The first director
Christian Sørensen Severin, called Longomontanus (1562--1647) began in 1589 as an assistant to Tycho Brahe in Uraniborg, studied from 1597 to 1602 in Breslau (Wrocław), Danzig (Gdańsk), Königsberg (Kaliningrad) and Rostock, and in 1605 was appointed as a first professor at the University of Copenhagen. His work Astronomia Danica (Amsterdam 1622) was dedicated to Christian IV.
He proposed to replace Tycho’s lost observatories Uraniborg and Stjerneborg, Island Hven, Denmark (today Ven, Sweden), which were destroyed in 1601.
In 1929 the platform on the tower was replaced by a dome.
State of preservation - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2018-08-23 14:35:21
Author(s): Gudrun Wolfschmidt
The buiding is still in good condition.
Comparison with related/similar sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 7
Status: PUB
Date: 2022-08-14 14:17:54
Author(s): Gudrun Wolfschmidt

Fig. 3. Rundetårn, Copenhagen (1642), (Doppelmayr, Johann Gabriel: Atlas Coelestis in quo Mundus Spectabilis. Nuremberg: Homann’s Heirs 1742)
It is a very unique building at this time, a starting point for tower observatories -- comparable to other Mathematical Towers:
Clementinum Prague (1722), Zwehrenturm in Kassel (1710), Specola - Bologna Observatory (1712), Old Vienna Academy Observatory -- tower on the top (1755), Osservatorio Astronomico di Brera of the Jesuits in Milano (1762), Padova (Padua) Observatory (1767), Mannheim Observatory (1772).
Very large tower observatories are:
Kremsmünster, Austria (1749), Mathematical Tower of the University Breslau / Wrocław (1791), Bogotá Observatory, Columbia (1803).
Threats or potential threats - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2021-03-30 01:02:17
Author(s): Gudrun Wolfschmidt
no threats
Present use - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:00
Author(s): Gudrun Wolfschmidt
The Rundetårn is used as a public observatory.
Astronomical relevance today - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:35
Author(s): Gudrun Wolfschmidt
The Rundetårn, Copenhagen, was used for scientific purposes by the University of Copenhagen (Library and Observatory) until 1861, then the light pollution from the surrounding city and vibrations caused by the ever increasing traffic in the streets below had made the observations inaccurate. Since then, no modern astronomy was produced any more, the tower is now used for public outreach.
A new Copenhagen observatory, the Østervold Observatory, on a bastion of the city fortifications was inaugurated in 1861 (Neoclassical style) to the design of Hans Christian Hansen (1803--1883), a famous Danish architect, influenced by Karl Friedrich Schinkel (1781--1841).
References
Bibliography (books and published articles) - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:26:50
Author(s): Gudrun Wolfschmidt
- Poulsen, Erling: Centuries of Astronomy -- Astronomy in Denmark (2009), https://web.archive.org/web/20090202090040/http://rundetaarn.dk/engelsk/observatorium/history.htm
- Wolfschmidt, Gudrun (Hg.): Astronomie im Ostseeraum -- Astronomy in the Baltic. Proceedings der Tagung des Arbeitskreises Astronomiegeschichte in der Astronomischen Gesellschaft in Kiel 2015. Hamburg: tredition (Nuncius Hamburgensis -- Beiträge zur Geschichte der Naturwissenschaften; Band 38) 2018.
Links to external sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:27:48
Author(s): Gudrun Wolfschmidt
- Round Tower - A living landmark of Copenhagen since 1642
- Rundetaarn (Wikipedia)
- The Round Tower of Copenhagen ... & The Trinitatis Church
- 3-D model of the tower
PrintPrint contents of 'Description' tab
(opens in a new window) Theme
Astronomy from the Renaissance to the mid-twentieth century
Case Study Navigation
- InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 4
Status: PUB
Date: 2019-06-17 17:02:30
Author(s): Gudrun Wolfschmidt
Lat. 55° 40′ 52.86″ N, long. 12° 34′ 33.0204″ E, elevation 16m above mean sea level.
IAU observatory code - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2019-06-17 12:37:58
Author(s): Gudrun Wolfschmidt
---
Description of (scientific/cultural/natural) heritage - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:20:07
Author(s): Gudrun Wolfschmidt

Fig. 1. Rundetårn (Round Tower), Copenhagen (Wikipedia)
The new observatory, the ten-storey round tower (Rundetårn), part of the Trinitatis church, was built in 1637/42 by the architect Hans Steenwinkel the Younger (1587--1639). The Rebus on the south facade refers to the patron King Christian IV. (1577--1648), King of Denmark and Norway of 1588 to 1648.

Fig. 2. 209-m-Spiral Ramp ("Donkey Stairway") in Rundetårn, Copenhagen (Wikipedia, Mariano ZF Barcelona)
The 209-m-Spiral Ramp ("Donkey Stairway", Eselstreppe, equestrian staircase) is unique in European architecture.
The building (Stellaburgis Hafniens) was used for scientific purposes by the University of Copenhagen until 1861, as an astronomical observatory, as a student church and as a university library (founded in 1482). The platform in 35-m height offers excellent observation conditions. In the Great Fire of 1728 the Trinitatis Complex was severely damaged but was rebuilt. The Round Tower is the oldest observatory in Europe, still in operation, as a Public Observatory.
History - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-11-23 17:38:54
Author(s): Gudrun Wolfschmidt

Fig. 3. Rundetårn, Copenhagen, Rebus "1642" (Wikipedia, Christian Bickel)
The first director
Christian Sørensen Severin, called Longomontanus (1562--1647) began in 1589 as an assistant to Tycho Brahe in Uraniborg, studied from 1597 to 1602 in Breslau (Wrocław), Danzig (Gdańsk), Königsberg (Kaliningrad) and Rostock, and in 1605 was appointed as a first professor at the University of Copenhagen. His work Astronomia Danica (Amsterdam 1622) was dedicated to Christian IV.
He proposed to replace Tycho’s lost observatories Uraniborg and Stjerneborg, Island Hven, Denmark (today Ven, Sweden), which were destroyed in 1601.
In 1929 the platform on the tower was replaced by a dome.
State of preservation - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2018-08-23 14:35:21
Author(s): Gudrun Wolfschmidt
The buiding is still in good condition.
Comparison with related/similar sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 7
Status: PUB
Date: 2022-08-14 14:17:54
Author(s): Gudrun Wolfschmidt

Fig. 3. Rundetårn, Copenhagen (1642), (Doppelmayr, Johann Gabriel: Atlas Coelestis in quo Mundus Spectabilis. Nuremberg: Homann’s Heirs 1742)
It is a very unique building at this time, a starting point for tower observatories -- comparable to other Mathematical Towers:
Clementinum Prague (1722), Zwehrenturm in Kassel (1710), Specola - Bologna Observatory (1712), Old Vienna Academy Observatory -- tower on the top (1755), Osservatorio Astronomico di Brera of the Jesuits in Milano (1762), Padova (Padua) Observatory (1767), Mannheim Observatory (1772).
Very large tower observatories are:
Kremsmünster, Austria (1749), Mathematical Tower of the University Breslau / Wrocław (1791), Bogotá Observatory, Columbia (1803).
Threats or potential threats - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2021-03-30 01:02:17
Author(s): Gudrun Wolfschmidt
no threats
Present use - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:00
Author(s): Gudrun Wolfschmidt
The Rundetårn is used as a public observatory.
Astronomical relevance today - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:35
Author(s): Gudrun Wolfschmidt
The Rundetårn, Copenhagen, was used for scientific purposes by the University of Copenhagen (Library and Observatory) until 1861, then the light pollution from the surrounding city and vibrations caused by the ever increasing traffic in the streets below had made the observations inaccurate. Since then, no modern astronomy was produced any more, the tower is now used for public outreach.
A new Copenhagen observatory, the Østervold Observatory, on a bastion of the city fortifications was inaugurated in 1861 (Neoclassical style) to the design of Hans Christian Hansen (1803--1883), a famous Danish architect, influenced by Karl Friedrich Schinkel (1781--1841).
References
Bibliography (books and published articles) - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:26:50
Author(s): Gudrun Wolfschmidt
- Poulsen, Erling: Centuries of Astronomy -- Astronomy in Denmark (2009), https://web.archive.org/web/20090202090040/http://rundetaarn.dk/engelsk/observatorium/history.htm
- Wolfschmidt, Gudrun (Hg.): Astronomie im Ostseeraum -- Astronomy in the Baltic. Proceedings der Tagung des Arbeitskreises Astronomiegeschichte in der Astronomischen Gesellschaft in Kiel 2015. Hamburg: tredition (Nuncius Hamburgensis -- Beiträge zur Geschichte der Naturwissenschaften; Band 38) 2018.
Links to external sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:27:48
Author(s): Gudrun Wolfschmidt
- Round Tower - A living landmark of Copenhagen since 1642
- Rundetaarn (Wikipedia)
- The Round Tower of Copenhagen ... & The Trinitatis Church
- 3-D model of the tower
PrintPrint contents of 'Description' tab
(opens in a new window) Theme
Astronomy from the Renaissance to the mid-twentieth century
Case Study Navigation
- InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2019-06-17 12:37:58
Author(s): Gudrun Wolfschmidt
---
Description of (scientific/cultural/natural) heritage - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:20:07
Author(s): Gudrun Wolfschmidt

Fig. 1. Rundetårn (Round Tower), Copenhagen (Wikipedia)
The new observatory, the ten-storey round tower (Rundetårn), part of the Trinitatis church, was built in 1637/42 by the architect Hans Steenwinkel the Younger (1587--1639). The Rebus on the south facade refers to the patron King Christian IV. (1577--1648), King of Denmark and Norway of 1588 to 1648.

Fig. 2. 209-m-Spiral Ramp ("Donkey Stairway") in Rundetårn, Copenhagen (Wikipedia, Mariano ZF Barcelona)
The 209-m-Spiral Ramp ("Donkey Stairway", Eselstreppe, equestrian staircase) is unique in European architecture.
The building (Stellaburgis Hafniens) was used for scientific purposes by the University of Copenhagen until 1861, as an astronomical observatory, as a student church and as a university library (founded in 1482). The platform in 35-m height offers excellent observation conditions. In the Great Fire of 1728 the Trinitatis Complex was severely damaged but was rebuilt. The Round Tower is the oldest observatory in Europe, still in operation, as a Public Observatory.
History - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-11-23 17:38:54
Author(s): Gudrun Wolfschmidt

Fig. 3. Rundetårn, Copenhagen, Rebus "1642" (Wikipedia, Christian Bickel)
The first director
Christian Sørensen Severin, called Longomontanus (1562--1647) began in 1589 as an assistant to Tycho Brahe in Uraniborg, studied from 1597 to 1602 in Breslau (Wrocław), Danzig (Gdańsk), Königsberg (Kaliningrad) and Rostock, and in 1605 was appointed as a first professor at the University of Copenhagen. His work Astronomia Danica (Amsterdam 1622) was dedicated to Christian IV.
He proposed to replace Tycho’s lost observatories Uraniborg and Stjerneborg, Island Hven, Denmark (today Ven, Sweden), which were destroyed in 1601.
In 1929 the platform on the tower was replaced by a dome.
State of preservation - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2018-08-23 14:35:21
Author(s): Gudrun Wolfschmidt
The buiding is still in good condition.
Comparison with related/similar sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 7
Status: PUB
Date: 2022-08-14 14:17:54
Author(s): Gudrun Wolfschmidt

Fig. 3. Rundetårn, Copenhagen (1642), (Doppelmayr, Johann Gabriel: Atlas Coelestis in quo Mundus Spectabilis. Nuremberg: Homann’s Heirs 1742)
It is a very unique building at this time, a starting point for tower observatories -- comparable to other Mathematical Towers:
Clementinum Prague (1722), Zwehrenturm in Kassel (1710), Specola - Bologna Observatory (1712), Old Vienna Academy Observatory -- tower on the top (1755), Osservatorio Astronomico di Brera of the Jesuits in Milano (1762), Padova (Padua) Observatory (1767), Mannheim Observatory (1772).
Very large tower observatories are:
Kremsmünster, Austria (1749), Mathematical Tower of the University Breslau / Wrocław (1791), Bogotá Observatory, Columbia (1803).
Threats or potential threats - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2021-03-30 01:02:17
Author(s): Gudrun Wolfschmidt
no threats
Present use - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:00
Author(s): Gudrun Wolfschmidt
The Rundetårn is used as a public observatory.
Astronomical relevance today - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:35
Author(s): Gudrun Wolfschmidt
The Rundetårn, Copenhagen, was used for scientific purposes by the University of Copenhagen (Library and Observatory) until 1861, then the light pollution from the surrounding city and vibrations caused by the ever increasing traffic in the streets below had made the observations inaccurate. Since then, no modern astronomy was produced any more, the tower is now used for public outreach.
A new Copenhagen observatory, the Østervold Observatory, on a bastion of the city fortifications was inaugurated in 1861 (Neoclassical style) to the design of Hans Christian Hansen (1803--1883), a famous Danish architect, influenced by Karl Friedrich Schinkel (1781--1841).
References
Bibliography (books and published articles) - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:26:50
Author(s): Gudrun Wolfschmidt
- Poulsen, Erling: Centuries of Astronomy -- Astronomy in Denmark (2009), https://web.archive.org/web/20090202090040/http://rundetaarn.dk/engelsk/observatorium/history.htm
- Wolfschmidt, Gudrun (Hg.): Astronomie im Ostseeraum -- Astronomy in the Baltic. Proceedings der Tagung des Arbeitskreises Astronomiegeschichte in der Astronomischen Gesellschaft in Kiel 2015. Hamburg: tredition (Nuncius Hamburgensis -- Beiträge zur Geschichte der Naturwissenschaften; Band 38) 2018.
Links to external sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:27:48
Author(s): Gudrun Wolfschmidt
- Round Tower - A living landmark of Copenhagen since 1642
- Rundetaarn (Wikipedia)
- The Round Tower of Copenhagen ... & The Trinitatis Church
- 3-D model of the tower
PrintPrint contents of 'Description' tab
(opens in a new window) Theme
Astronomy from the Renaissance to the mid-twentieth century
Case Study Navigation
- InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:20:07
Author(s): Gudrun Wolfschmidt
Fig. 1. Rundetårn (Round Tower), Copenhagen (Wikipedia)
The new observatory, the ten-storey round tower (Rundetårn), part of the Trinitatis church, was built in 1637/42 by the architect Hans Steenwinkel the Younger (1587--1639). The Rebus on the south facade refers to the patron King Christian IV. (1577--1648), King of Denmark and Norway of 1588 to 1648.
Fig. 2. 209-m-Spiral Ramp ("Donkey Stairway") in Rundetårn, Copenhagen (Wikipedia, Mariano ZF Barcelona)
The 209-m-Spiral Ramp ("Donkey Stairway", Eselstreppe, equestrian staircase) is unique in European architecture.
The building (Stellaburgis Hafniens) was used for scientific purposes by the University of Copenhagen until 1861, as an astronomical observatory, as a student church and as a university library (founded in 1482). The platform in 35-m height offers excellent observation conditions. In the Great Fire of 1728 the Trinitatis Complex was severely damaged but was rebuilt. The Round Tower is the oldest observatory in Europe, still in operation, as a Public Observatory.
History - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
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Date: 2022-11-23 17:38:54
Author(s): Gudrun Wolfschmidt

Fig. 3. Rundetårn, Copenhagen, Rebus "1642" (Wikipedia, Christian Bickel)
The first director
Christian Sørensen Severin, called Longomontanus (1562--1647) began in 1589 as an assistant to Tycho Brahe in Uraniborg, studied from 1597 to 1602 in Breslau (Wrocław), Danzig (Gdańsk), Königsberg (Kaliningrad) and Rostock, and in 1605 was appointed as a first professor at the University of Copenhagen. His work Astronomia Danica (Amsterdam 1622) was dedicated to Christian IV.
He proposed to replace Tycho’s lost observatories Uraniborg and Stjerneborg, Island Hven, Denmark (today Ven, Sweden), which were destroyed in 1601.
In 1929 the platform on the tower was replaced by a dome.
State of preservation - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2018-08-23 14:35:21
Author(s): Gudrun Wolfschmidt
The buiding is still in good condition.
Comparison with related/similar sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 7
Status: PUB
Date: 2022-08-14 14:17:54
Author(s): Gudrun Wolfschmidt

Fig. 3. Rundetårn, Copenhagen (1642), (Doppelmayr, Johann Gabriel: Atlas Coelestis in quo Mundus Spectabilis. Nuremberg: Homann’s Heirs 1742)
It is a very unique building at this time, a starting point for tower observatories -- comparable to other Mathematical Towers:
Clementinum Prague (1722), Zwehrenturm in Kassel (1710), Specola - Bologna Observatory (1712), Old Vienna Academy Observatory -- tower on the top (1755), Osservatorio Astronomico di Brera of the Jesuits in Milano (1762), Padova (Padua) Observatory (1767), Mannheim Observatory (1772).
Very large tower observatories are:
Kremsmünster, Austria (1749), Mathematical Tower of the University Breslau / Wrocław (1791), Bogotá Observatory, Columbia (1803).
Threats or potential threats - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2021-03-30 01:02:17
Author(s): Gudrun Wolfschmidt
no threats
Present use - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:00
Author(s): Gudrun Wolfschmidt
The Rundetårn is used as a public observatory.
Astronomical relevance today - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:35
Author(s): Gudrun Wolfschmidt
The Rundetårn, Copenhagen, was used for scientific purposes by the University of Copenhagen (Library and Observatory) until 1861, then the light pollution from the surrounding city and vibrations caused by the ever increasing traffic in the streets below had made the observations inaccurate. Since then, no modern astronomy was produced any more, the tower is now used for public outreach.
A new Copenhagen observatory, the Østervold Observatory, on a bastion of the city fortifications was inaugurated in 1861 (Neoclassical style) to the design of Hans Christian Hansen (1803--1883), a famous Danish architect, influenced by Karl Friedrich Schinkel (1781--1841).
References
Bibliography (books and published articles) - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:26:50
Author(s): Gudrun Wolfschmidt
- Poulsen, Erling: Centuries of Astronomy -- Astronomy in Denmark (2009), https://web.archive.org/web/20090202090040/http://rundetaarn.dk/engelsk/observatorium/history.htm
- Wolfschmidt, Gudrun (Hg.): Astronomie im Ostseeraum -- Astronomy in the Baltic. Proceedings der Tagung des Arbeitskreises Astronomiegeschichte in der Astronomischen Gesellschaft in Kiel 2015. Hamburg: tredition (Nuncius Hamburgensis -- Beiträge zur Geschichte der Naturwissenschaften; Band 38) 2018.
Links to external sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
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Date: 2022-08-14 14:27:48
Author(s): Gudrun Wolfschmidt
- Round Tower - A living landmark of Copenhagen since 1642
- Rundetaarn (Wikipedia)
- The Round Tower of Copenhagen ... & The Trinitatis Church
- 3-D model of the tower
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Date: 2022-11-23 17:38:54
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Fig. 3. Rundetårn, Copenhagen, Rebus "1642" (Wikipedia, Christian Bickel)
The first director
Christian Sørensen Severin, called Longomontanus (1562--1647) began in 1589 as an assistant to Tycho Brahe in Uraniborg, studied from 1597 to 1602 in Breslau (Wrocław), Danzig (Gdańsk), Königsberg (Kaliningrad) and Rostock, and in 1605 was appointed as a first professor at the University of Copenhagen. His work Astronomia Danica (Amsterdam 1622) was dedicated to Christian IV.
He proposed to replace Tycho’s lost observatories Uraniborg and Stjerneborg, Island Hven, Denmark (today Ven, Sweden), which were destroyed in 1601.
In 1929 the platform on the tower was replaced by a dome.
State of preservation - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2018-08-23 14:35:21
Author(s): Gudrun Wolfschmidt
The buiding is still in good condition.
Comparison with related/similar sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 7
Status: PUB
Date: 2022-08-14 14:17:54
Author(s): Gudrun Wolfschmidt

Fig. 3. Rundetårn, Copenhagen (1642), (Doppelmayr, Johann Gabriel: Atlas Coelestis in quo Mundus Spectabilis. Nuremberg: Homann’s Heirs 1742)
It is a very unique building at this time, a starting point for tower observatories -- comparable to other Mathematical Towers:
Clementinum Prague (1722), Zwehrenturm in Kassel (1710), Specola - Bologna Observatory (1712), Old Vienna Academy Observatory -- tower on the top (1755), Osservatorio Astronomico di Brera of the Jesuits in Milano (1762), Padova (Padua) Observatory (1767), Mannheim Observatory (1772).
Very large tower observatories are:
Kremsmünster, Austria (1749), Mathematical Tower of the University Breslau / Wrocław (1791), Bogotá Observatory, Columbia (1803).
Threats or potential threats - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2021-03-30 01:02:17
Author(s): Gudrun Wolfschmidt
no threats
Present use - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:00
Author(s): Gudrun Wolfschmidt
The Rundetårn is used as a public observatory.
Astronomical relevance today - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:35
Author(s): Gudrun Wolfschmidt
The Rundetårn, Copenhagen, was used for scientific purposes by the University of Copenhagen (Library and Observatory) until 1861, then the light pollution from the surrounding city and vibrations caused by the ever increasing traffic in the streets below had made the observations inaccurate. Since then, no modern astronomy was produced any more, the tower is now used for public outreach.
A new Copenhagen observatory, the Østervold Observatory, on a bastion of the city fortifications was inaugurated in 1861 (Neoclassical style) to the design of Hans Christian Hansen (1803--1883), a famous Danish architect, influenced by Karl Friedrich Schinkel (1781--1841).
References
Bibliography (books and published articles) - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:26:50
Author(s): Gudrun Wolfschmidt
- Poulsen, Erling: Centuries of Astronomy -- Astronomy in Denmark (2009), https://web.archive.org/web/20090202090040/http://rundetaarn.dk/engelsk/observatorium/history.htm
- Wolfschmidt, Gudrun (Hg.): Astronomie im Ostseeraum -- Astronomy in the Baltic. Proceedings der Tagung des Arbeitskreises Astronomiegeschichte in der Astronomischen Gesellschaft in Kiel 2015. Hamburg: tredition (Nuncius Hamburgensis -- Beiträge zur Geschichte der Naturwissenschaften; Band 38) 2018.
Links to external sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:27:48
Author(s): Gudrun Wolfschmidt
- Round Tower - A living landmark of Copenhagen since 1642
- Rundetaarn (Wikipedia)
- The Round Tower of Copenhagen ... & The Trinitatis Church
- 3-D model of the tower
PrintPrint contents of 'Description' tab
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Astronomy from the Renaissance to the mid-twentieth century
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Entity: 138
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Status: PUB
Date: 2018-08-23 14:35:21
Author(s): Gudrun Wolfschmidt
The buiding is still in good condition.
Comparison with related/similar sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 7
Status: PUB
Date: 2022-08-14 14:17:54
Author(s): Gudrun Wolfschmidt

Fig. 3. Rundetårn, Copenhagen (1642), (Doppelmayr, Johann Gabriel: Atlas Coelestis in quo Mundus Spectabilis. Nuremberg: Homann’s Heirs 1742)
It is a very unique building at this time, a starting point for tower observatories -- comparable to other Mathematical Towers:
Clementinum Prague (1722), Zwehrenturm in Kassel (1710), Specola - Bologna Observatory (1712), Old Vienna Academy Observatory -- tower on the top (1755), Osservatorio Astronomico di Brera of the Jesuits in Milano (1762), Padova (Padua) Observatory (1767), Mannheim Observatory (1772).
Very large tower observatories are:
Kremsmünster, Austria (1749), Mathematical Tower of the University Breslau / Wrocław (1791), Bogotá Observatory, Columbia (1803).
Threats or potential threats - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2021-03-30 01:02:17
Author(s): Gudrun Wolfschmidt
no threats
Present use - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:00
Author(s): Gudrun Wolfschmidt
The Rundetårn is used as a public observatory.
Astronomical relevance today - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:35
Author(s): Gudrun Wolfschmidt
The Rundetårn, Copenhagen, was used for scientific purposes by the University of Copenhagen (Library and Observatory) until 1861, then the light pollution from the surrounding city and vibrations caused by the ever increasing traffic in the streets below had made the observations inaccurate. Since then, no modern astronomy was produced any more, the tower is now used for public outreach.
A new Copenhagen observatory, the Østervold Observatory, on a bastion of the city fortifications was inaugurated in 1861 (Neoclassical style) to the design of Hans Christian Hansen (1803--1883), a famous Danish architect, influenced by Karl Friedrich Schinkel (1781--1841).
References
Bibliography (books and published articles) - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:26:50
Author(s): Gudrun Wolfschmidt
- Poulsen, Erling: Centuries of Astronomy -- Astronomy in Denmark (2009), https://web.archive.org/web/20090202090040/http://rundetaarn.dk/engelsk/observatorium/history.htm
- Wolfschmidt, Gudrun (Hg.): Astronomie im Ostseeraum -- Astronomy in the Baltic. Proceedings der Tagung des Arbeitskreises Astronomiegeschichte in der Astronomischen Gesellschaft in Kiel 2015. Hamburg: tredition (Nuncius Hamburgensis -- Beiträge zur Geschichte der Naturwissenschaften; Band 38) 2018.
Links to external sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:27:48
Author(s): Gudrun Wolfschmidt
- Round Tower - A living landmark of Copenhagen since 1642
- Rundetaarn (Wikipedia)
- The Round Tower of Copenhagen ... & The Trinitatis Church
- 3-D model of the tower
PrintPrint contents of 'Description' tab
(opens in a new window) Theme
Astronomy from the Renaissance to the mid-twentieth century
Case Study Navigation
- InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
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Date: 2022-08-14 14:17:54
Author(s): Gudrun Wolfschmidt
Fig. 3. Rundetårn, Copenhagen (1642), (Doppelmayr, Johann Gabriel: Atlas Coelestis in quo Mundus Spectabilis. Nuremberg: Homann’s Heirs 1742)
It is a very unique building at this time, a starting point for tower observatories -- comparable to other Mathematical Towers:
Clementinum Prague (1722), Zwehrenturm in Kassel (1710), Specola - Bologna Observatory (1712), Old Vienna Academy Observatory -- tower on the top (1755), Osservatorio Astronomico di Brera of the Jesuits in Milano (1762), Padova (Padua) Observatory (1767), Mannheim Observatory (1772).
Very large tower observatories are:
Kremsmünster, Austria (1749), Mathematical Tower of the University Breslau / Wrocław (1791), Bogotá Observatory, Columbia (1803).
Threats or potential threats - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 2
Status: PUB
Date: 2021-03-30 01:02:17
Author(s): Gudrun Wolfschmidt
no threats
Present use - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:00
Author(s): Gudrun Wolfschmidt
The Rundetårn is used as a public observatory.
Astronomical relevance today - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:35
Author(s): Gudrun Wolfschmidt
The Rundetårn, Copenhagen, was used for scientific purposes by the University of Copenhagen (Library and Observatory) until 1861, then the light pollution from the surrounding city and vibrations caused by the ever increasing traffic in the streets below had made the observations inaccurate. Since then, no modern astronomy was produced any more, the tower is now used for public outreach.
A new Copenhagen observatory, the Østervold Observatory, on a bastion of the city fortifications was inaugurated in 1861 (Neoclassical style) to the design of Hans Christian Hansen (1803--1883), a famous Danish architect, influenced by Karl Friedrich Schinkel (1781--1841).
References
Bibliography (books and published articles) - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:26:50
Author(s): Gudrun Wolfschmidt
- Poulsen, Erling: Centuries of Astronomy -- Astronomy in Denmark (2009), https://web.archive.org/web/20090202090040/http://rundetaarn.dk/engelsk/observatorium/history.htm
- Wolfschmidt, Gudrun (Hg.): Astronomie im Ostseeraum -- Astronomy in the Baltic. Proceedings der Tagung des Arbeitskreises Astronomiegeschichte in der Astronomischen Gesellschaft in Kiel 2015. Hamburg: tredition (Nuncius Hamburgensis -- Beiträge zur Geschichte der Naturwissenschaften; Band 38) 2018.
Links to external sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:27:48
Author(s): Gudrun Wolfschmidt
- Round Tower - A living landmark of Copenhagen since 1642
- Rundetaarn (Wikipedia)
- The Round Tower of Copenhagen ... & The Trinitatis Church
- 3-D model of the tower
PrintPrint contents of 'Description' tab
(opens in a new window) Theme
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Entity: 138
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Date: 2021-03-30 01:02:17
Author(s): Gudrun Wolfschmidt
no threats
Present use - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
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Date: 2022-08-14 14:25:00
Author(s): Gudrun Wolfschmidt
The Rundetårn is used as a public observatory.
Astronomical relevance today - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:35
Author(s): Gudrun Wolfschmidt
The Rundetårn, Copenhagen, was used for scientific purposes by the University of Copenhagen (Library and Observatory) until 1861, then the light pollution from the surrounding city and vibrations caused by the ever increasing traffic in the streets below had made the observations inaccurate. Since then, no modern astronomy was produced any more, the tower is now used for public outreach.
A new Copenhagen observatory, the Østervold Observatory, on a bastion of the city fortifications was inaugurated in 1861 (Neoclassical style) to the design of Hans Christian Hansen (1803--1883), a famous Danish architect, influenced by Karl Friedrich Schinkel (1781--1841).
References
Bibliography (books and published articles) - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
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Date: 2022-08-14 14:26:50
Author(s): Gudrun Wolfschmidt
- Poulsen, Erling: Centuries of Astronomy -- Astronomy in Denmark (2009), https://web.archive.org/web/20090202090040/http://rundetaarn.dk/engelsk/observatorium/history.htm
- Wolfschmidt, Gudrun (Hg.): Astronomie im Ostseeraum -- Astronomy in the Baltic. Proceedings der Tagung des Arbeitskreises Astronomiegeschichte in der Astronomischen Gesellschaft in Kiel 2015. Hamburg: tredition (Nuncius Hamburgensis -- Beiträge zur Geschichte der Naturwissenschaften; Band 38) 2018.
Links to external sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:27:48
Author(s): Gudrun Wolfschmidt
- Round Tower - A living landmark of Copenhagen since 1642
- Rundetaarn (Wikipedia)
- The Round Tower of Copenhagen ... & The Trinitatis Church
- 3-D model of the tower
PrintPrint contents of 'Description' tab
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Entity: 138
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Date: 2022-08-14 14:25:00
Author(s): Gudrun Wolfschmidt
The Rundetårn is used as a public observatory.
Astronomical relevance today - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:25:35
Author(s): Gudrun Wolfschmidt
The Rundetårn, Copenhagen, was used for scientific purposes by the University of Copenhagen (Library and Observatory) until 1861, then the light pollution from the surrounding city and vibrations caused by the ever increasing traffic in the streets below had made the observations inaccurate. Since then, no modern astronomy was produced any more, the tower is now used for public outreach.
A new Copenhagen observatory, the Østervold Observatory, on a bastion of the city fortifications was inaugurated in 1861 (Neoclassical style) to the design of Hans Christian Hansen (1803--1883), a famous Danish architect, influenced by Karl Friedrich Schinkel (1781--1841).
References
Bibliography (books and published articles) - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
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Date: 2022-08-14 14:26:50
Author(s): Gudrun Wolfschmidt
- Poulsen, Erling: Centuries of Astronomy -- Astronomy in Denmark (2009), https://web.archive.org/web/20090202090040/http://rundetaarn.dk/engelsk/observatorium/history.htm
- Wolfschmidt, Gudrun (Hg.): Astronomie im Ostseeraum -- Astronomy in the Baltic. Proceedings der Tagung des Arbeitskreises Astronomiegeschichte in der Astronomischen Gesellschaft in Kiel 2015. Hamburg: tredition (Nuncius Hamburgensis -- Beiträge zur Geschichte der Naturwissenschaften; Band 38) 2018.
Links to external sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:27:48
Author(s): Gudrun Wolfschmidt
- Round Tower - A living landmark of Copenhagen since 1642
- Rundetaarn (Wikipedia)
- The Round Tower of Copenhagen ... & The Trinitatis Church
- 3-D model of the tower
PrintPrint contents of 'Description' tab
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- InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
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Status: PUB
Date: 2022-08-14 14:25:35
Author(s): Gudrun Wolfschmidt
The Rundetårn, Copenhagen, was used for scientific purposes by the University of Copenhagen (Library and Observatory) until 1861, then the light pollution from the surrounding city and vibrations caused by the ever increasing traffic in the streets below had made the observations inaccurate. Since then, no modern astronomy was produced any more, the tower is now used for public outreach.
A new Copenhagen observatory, the Østervold Observatory, on a bastion of the city fortifications was inaugurated in 1861 (Neoclassical style) to the design of Hans Christian Hansen (1803--1883), a famous Danish architect, influenced by Karl Friedrich Schinkel (1781--1841).
References
Bibliography (books and published articles) - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 5
Status: PUB
Date: 2022-08-14 14:26:50
Author(s): Gudrun Wolfschmidt
- Poulsen, Erling: Centuries of Astronomy -- Astronomy in Denmark (2009), https://web.archive.org/web/20090202090040/http://rundetaarn.dk/engelsk/observatorium/history.htm
- Wolfschmidt, Gudrun (Hg.): Astronomie im Ostseeraum -- Astronomy in the Baltic. Proceedings der Tagung des Arbeitskreises Astronomiegeschichte in der Astronomischen Gesellschaft in Kiel 2015. Hamburg: tredition (Nuncius Hamburgensis -- Beiträge zur Geschichte der Naturwissenschaften; Band 38) 2018.
Links to external sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:27:48
Author(s): Gudrun Wolfschmidt
- Round Tower - A living landmark of Copenhagen since 1642
- Rundetaarn (Wikipedia)
- The Round Tower of Copenhagen ... & The Trinitatis Church
- 3-D model of the tower
PrintPrint contents of 'Description' tab
(opens in a new window) Theme
Astronomy from the Renaissance to the mid-twentieth century
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- InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
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Date: 2022-08-14 14:26:50
Author(s): Gudrun Wolfschmidt
- Poulsen, Erling: Centuries of Astronomy -- Astronomy in Denmark (2009), https://web.archive.org/web/20090202090040/http://rundetaarn.dk/engelsk/observatorium/history.htm
- Wolfschmidt, Gudrun (Hg.): Astronomie im Ostseeraum -- Astronomy in the Baltic. Proceedings der Tagung des Arbeitskreises Astronomiegeschichte in der Astronomischen Gesellschaft in Kiel 2015. Hamburg: tredition (Nuncius Hamburgensis -- Beiträge zur Geschichte der Naturwissenschaften; Band 38) 2018.
Links to external sites - InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
Version: 3
Status: PUB
Date: 2022-08-14 14:27:48
Author(s): Gudrun Wolfschmidt
- Round Tower - A living landmark of Copenhagen since 1642
- Rundetaarn (Wikipedia)
- The Round Tower of Copenhagen ... & The Trinitatis Church
- 3-D model of the tower
PrintPrint contents of 'Description' tab
(opens in a new window) Theme
Astronomy from the Renaissance to the mid-twentieth century
Case Study Navigation
- InfoTheme: Astronomy from the Renaissance to the mid-twentieth century
Entity: 138
Subentity: 1
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Date: 2022-08-14 14:27:48
Author(s): Gudrun Wolfschmidt
- Round Tower - A living landmark of Copenhagen since 1642
- Rundetaarn (Wikipedia)
- The Round Tower of Copenhagen ... & The Trinitatis Church
- 3-D model of the tower
PrintPrint contents of 'Description' tab
(opens in a new window) Theme
(opens in a new window)
Astronomy from the Renaissance to the mid-twentieth century