Public observatory Adolph Diesterweg
The public observatory "Adolph Diesterweg" or Observatory Radebeul (Radebeul Observatory, A72) is one of the Saxon town of Radebeul powered observatory together with planetarium . It is located on the border between the districts of Niederlößnitz and Naundorf (Auf den Ebenbergen 10a, in the extension of Mohrenstrasse ) above the vineyards on Jacobstein , 120 meters above the Elbe in the area of the Ebenberge . The institution named in memory of the German educator Adolph Diesterweg has the international code A72 . In 2014 the observatory counted around 20,000 visitors.
The voluntary association Astroclub Radebeul e. V., whose member Martin Fiedler discovered eleven minor planets there between 2005 and February 2011. Five of these are still named: (149884) Radebeul , (157491) Rüdigerkollar , (236111) Wolfgangbüttner , (319227) Erichbär and (400309) Ralfhofner .
history
Its history goes back to 1955. A group of people interested in astronomy met after an astronomical course at the local adult education center to exchange ideas. In 1956, the Astronomy Section in the German Cultural Association was created , which carried out public observations of the sky in a schoolyard in Niederlößnitz under the direction of the later founder of the observatory, Rüdiger Kollar . The observation device was a borrowed, portable refractor with an 11 cm aperture and a 1.65 m focal length . Due to the great interest on the part of the population, the specialist group decided to build a permanent observatory. After several locations had been checked, the decision was made for the site above the vineyards and a wooden hut with a sliding roof was built. The first telescope was a Newtonian telescope with a mirror diameter of 18 cm and a focal length of 1.4 m. For astrophotography a stand ASTROGRAPH with 25 cm aperture and 96 cm focal length available. The observatory was inaugurated on May 2, 1959.
In the same year in the GDR , the astronomy as a subject introduced. This gave rise to the need for a separate classroom at the observatory. From 1960 to 1961, a classroom was built in house that could accommodate 30 people.
In the following years the number of visitors increased steadily. Public observations of the sky were carried out, lectures were given, astronomy lessons were given for the region and young people were promoted in the Young Astronomers Working Group . Due to the supraregional importance, the call for a new observatory building soon became loud. A corresponding ideas competition was held in 1964.
On the occasion of the 100th anniversary of the death of Adolph Diesterweg, the name of the Adolph Diesterweg observatory was ceremoniously given in 1966 .
On June 21, 1968 the construction of the observatory began. With the help of citizens, schoolchildren, students, craftsmen and companies, a new observatory building with an observation dome and planetarium was built . The inauguration took place on October 3, 1969.
The sculptor Walter Howard created the bronze Die Sterngucker in 1971 , which he donated to the city of Radebeul in 1973. This was set up on the lawn in front of the observatory.
In 1979 the southern sky projector of the old Dresden planetarium was obtained , and an instrument garden was set up in the outdoor area .
On the occasion of the 25th anniversary a bust of Adolph Diesterweg was erected in 1984.
The Radebeul observatory regularly offers public observations of the sky and astronomical lectures. Astronomical devices are exhibited in the foyer, including the southern sky projector of the Dresden planetarium made by Carl Zeiss from 1926. The rotation of the earth can be observed using a Foucault pendulum .
On September 9, 2005, Martin Fiedler discovered the asteroid 149884 Radebeul (2005 RD9) . On September 8, 2005, he had already discovered the asteroid 157491 Rüdigerkollar (2005 RD22) , which is named after the founder of the observatory who died in 2005. In 2012, the asteroid discovered on September 7, 2005, was recognized and named after the observatory employee Wolfgang Büttner: 236111 Wolfgangbüttner (2005 RW4) . In 2014, 2006 AJ8 was named as (319227) Erichbär ; It is named after the astronomer Erich Bär , who founded the Radeberg public observatory "Erich Bär" and ran it for many years. 2014 is the year of the 50th anniversary of the current Radeberg observatory. In 2016, the 2007 TC185, discovered by Fiedler in 2007, was named (400309) Ralfhofner after the amateur astronomer Ralf Hofner (1960–2014), founder of the Herzberg Telescope Meeting .
society
Before 1990 there was already a youth club supervised by Rüdiger Kollar at the Radebeul observatory . After the fall of the Berlin Wall, the former youth club members founded the Astroclub Radebeul e.V. , which still exists today and is located in the buildings of the Radebeul observatory . V .; the association currently has 68 members (as of 01/08) of all age groups. Until his death in 2005, the founder of the Volkssternwarte, Rüdiger Kollar, was an honorary member of the association. The Astroclub organizes, among other things, regular sky observations and many other events.
List of minor planets discovered
As of February 8, 2011, there are 11 minor planets that Astroclub Radebeul e. V. at the public observatory Adolph Diesterweg.
| Surname | designation | date | Explorer | Another name | Track section | Jet Propulsion Laboratory Small-Body Database |
|---|---|---|---|---|---|---|
| 2005 RD09 | D-149884 Radebeul | September 9, 2005 | M. Fiedler | 1994 SU10 | 9 opp. | 149884 Radebeul (2005 RD9) : Discovery confirmed by M. Fiedler. |
| 2005 RD22 | 157491 Rüdigerkollar | September 8, 2005 | M. Fiedler | 2002 EL156 | 9 opp. | 157491 Rüdigerkollar (2005 RD22) : Discovery confirmed by M. Fiedler. |
| 2005 RV4 | 306828 | September 2005 | M. Fiedler | 2001 RV31 | 4 opp. | (2001 RV31 = 2005 RV4) : Discovery assigned to the LINEAR project at Lincoln Laboratory ETS ( 704 ) near Socorro , September 8, 2001. |
| 2005 RW4 | 236111 Wolfgangbüttner | September 7, 2005 | M. Fiedler | 5 opp. | 236111 Wolfgangbüttner (2005 RW4) : Discovery confirmed by M. Fiedler. | |
| 2005 SS215 | 250757 | October 2005 | M. Fiedler | 6 opp. | (2005 SS215) : Discovery assigned to CSS, Catalina (703) , September 30, 2005. | |
| 2005 TM30 | October 2005 | M. Fiedler | 3 opp. | (2005 TM30) | ||
| 2006 AJ8 | 319227 Erich Bear | January 9, 2006 | M. Fiedler | 8 opp. | 319227 Erichbar (2006 AJ8) : Discovery confirmed by M. Fiedler. | |
| 2007 TA185 | 504338 | October 14, 2007 | M. Fiedler | 2 opp. | (2007 TA185) : Discovery assigned to Spacewatch at Kitt Peak National Observatory (695), October 9, 2007. | |
| 2007 TB185 | October 14, 2007 | M. Fiedler | 1 opp. | (2007 TB185) | ||
| 2007 TC185 | 400309 Ralfhofner | October 14, 2007 | M. Fiedler | 4 opp. | 400309 Ralfhofner (2007 TC185) : Discovery confirmed by M. Fiedler. | |
| 2011 CN70 | 331268 | February 8, 2011 | M. Fiedler | 2000 BB50 | 5 opp. | (2011 CN70 = 2000 BB50) : Discovery assigned to Spacewatch at Kitt Peak National Observatory (695), January 16, 2000. |
Instruments
The oldest, regularly used telescope is a Coudé refractor from Carl Zeiss with an opening of 15 cm and 2.25 m focal length, which is set up in a 3 m large dome.
Since June 2004 a Maksutov-Newton telescope with 35 cm aperture and 1.6 m focal length has been in the observation hut with a retractable roof.
From March 2015, a mobile 60 cm reflector telescope will be the largest telescope in the observatory. This is the largest mobile telescope in Saxony, which is also regularly used outside the observatory.
Furthermore, a Newtonian telescope optimized for planets with a 25 cm opening and various smaller telescopes are available for installation on the observation terrace.
With the help of a heliostat , the light of the sun can be reflected in the lecture room at any time of the year or day and viewed as a one-meter projection.
A radio telescope three meters in diameter has been available since 2003 .
In the years 2011–2016 the spectroheliograph , which was built in 1978, will be completely renovated. A new observation building was built in 2007/2008.
Since 2011 the Radebeul public observatory has had a Zeiss small planetarium 4 (SKYMASTER ZKP 4) as a replacement for the 27-year-old ZKP2. In contrast to the other 14 devices of this type installed so far (as of August 2011), for example the mini cosmos in Lichtenstein , Saxony , this is the first in the world to have LED lighting.
Sundials
There are four sundials on the site of the observatory :
- Vertical wall sundial "CARPE DIEM": 2.5 × 2.5 m extension with gold-colored metal half-sun and supported pole rod
- Annular metal equatorial sundial on a stone base
- Multiple or block sundial: geometric sandstone sculpture with two shadow bars and several edges as shadow casters
- Lunchtime
See also
literature
- Frank Andert (Red.): Radebeul City Lexicon . Historical manual for the Loessnitz . Published by the Radebeul City Archives. 2nd, slightly changed edition. City archive, Radebeul 2006, ISBN 3-938460-05-9 .
- Michael Funke: The most beautiful of all heavens. In: Preview & Review; Monthly magazine for Radebeul and the surrounding area. Radebeuler monthly books e. V., August 2011, accessed October 2, 2011 .
- Jürgen Helfricht : Astronomical history of Dresden . Hellerau-Verlag, Dresden 2001, ISBN 3-910184-76-6 .
- Jürgen Helfricht: History of Astronomy in Dresden . Published by the Volkssternwarte Adolph Diesterweg, Radebeul 1987.
Web links
- Website of the Radebeul observatory
- Website of the Astroclub Radebeul e. V.
- 149884 Radebeul (2005 RD9)
- Public observatory "Adolph Diesterweg"
Individual evidence
- ↑ Wolf-Dieter Liebschner: 20,000 came to watch stars . In: Saxon newspaper . January 9, 2015.
- ↑ 149884 Radebeul (2005 RD9)
- ↑ 157491 Rudigerkollar (2005 RD22)
- ↑ 236111 Wolfgangbuttner (2005 RW4)
- ↑ 319227 Erichbar (2006 AJ8)
- ↑ Wolf Dieter Liebschner: Premiere for the new telescope. In: saechsische.de. Retrieved April 13, 2020 .
- ↑ A world first for stargazers - the new planetarium device costs 450,000 euros . ( Memento of the original from June 22, 2015 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. Dresden Latest News , August 3, 2011
- ↑ Radebeul - a city with many sights and interesting sundials. (PDF; 674 kB)
Coordinates: 51 ° 6 ′ 57.7 " N , 13 ° 37 ′ 20.2" E