Stand: 20.05.2024 08:14
Stand: 20.05.2024 08:14

Naturwissenschaftlicher Verein Osnabrück:

Experience Space

The Oberservatory of Astronomischen Arbeitsgemeinschaft im Naturwissenschaftlichen Verein Osnabrück (NVO)near Melle is open to the public.

For Opening hours see our startpage in German.

Sternwarte Juli 2017, Foto Gerold Holtkamp



Location coordinates:
WGS84: Width: N 52 ° 15 '09.2 ", Length: E 8 ° 19' 24", Height 270m (measured with GPS) Potsdam Date: Width: N 52 ° 15 '14.7 "; Length: E 8 ° 19' 27.7"; Height: 219 m (geodetically determined)
GoogleEarth Placemark GoogleMaps link (at the end of the narrow street)

Motorway A 30 Osnabrück - Hannover, exit Gesmold direction Westerhausen after Westerhausen turn right towards Oldendorf, turn left before the end (direction Buer), follow the signs "Sternwarte"


Between 1986 and 1991 the Sternwarte was built on the Oldendorfer mountain near Melle (25 km east of Osnabrück).

The building and the telescope were financed by donations, subsidies from municipalities and the county and own contributions from the members. First of all, the telescope is used for public tours. The dome has a diameter of 6.50 meters. On the ground floor, the observations can be pre- or post-processed by slide or video-guided tours for about 30 people.
Teleskope unserer Sternwarte, Foto Wilhelm Witte 3-2017
The telescope is a classic Cassegrain system. The main mirror is 60 cm in diameter, the system focal length is 746 cm, the effective opening ratio f / 12.4. In nights with good seeing, the telescope exhibits excellent images. The optical system was calculated by Lutz Schmadel, optics and tube manufactured by Horst W. Kaufmann, Crailsheim.

The mount was built according to a design and under the direction of Alois Wagner in the BZO Bildungs-Zentrum Osnabrück GmbH and is a classic German mount, both axes of which are driven by stepping motors with Harmonic Drives (by Phytron). The telescope is controlled by a PC, the control program was written by Reinhard Schröder. Coordinates of the observation objects can be taken directly from catalogs (PPM, NGC) or ephemerides (planets, moon) or entered manually. The absolute positioning accuracy over the whole sky is so precise that the observing objects are usually already at the first approach in the field of view of a long-focal eyepiece or the camera.

Sternspuren 20.5.2018, Aufnahme Gerold Holtkamp

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