Our observatory with clubhouse (in the foreground) 

4.2 m steel dome (Gruber Metal Construction / Cham) with 1.7 m opening - Scope Dome control

Image: Wolfgang Kagermeier

Long exposure of the Milky Way above the dome (Image: Florian Winterl)

Telescopes:

Telescope:  Alluna Optics Ritchey-Chrétien, 20" aperture, f/8 - " our  showpiece "
Mount: 10 Micron GM 4000 HPS

Display cases with various models & astronomical teaching charts

Training and lecture room in the clubhouse

Observation terrace

Remote Observatory (Rossberg II)

Sunroof remote observatory with Starlink connection & all-sky camera

Telescopes:

Telescope: (various telescopes)
Allsky Camera Rossberg: https://www.ganymedastro.de/allsky

Solar Observatory (Rossberg III)

Barrier-free sliding roof observatory with telescopes for daytime and nighttime use

Telescopes:

Telescope:  Lunt ST 152/900 Sonnenleleskop, f5.9

Mount: CGEM DX

Our Lunt 152 at the inauguration on March 29th, 2025 (from left: W. Kagermeier, District Administrator Franz Löffler, Mayor Stefan Baumgartner, Member of the State Parliament Dr. Gerhard Hopp; Image: Verein)

Telescope:  Meade LX200 16 inch 406/4064

Mount:  Meade fork mount

Astrophotography Observatory (Rossberg IV - currently under construction)

Sliding roof observatory with telescopes for astrophotography

The "astronomical ensemble" on the Rossberg (as of Dec. 2025)

From left: Rossberg IV (astrophotography observatory under construction), Rossberg II (remote observatory & all-sky observatory), Rossberg III (solar observatory), observation terrace, Rossberg I (Alluna RC in dome) & clubhouse, Feil-Hof (old farm house with storage function)

 german version: Link