Trebur Astronomy Foundation
Observatory News
Jupiter at the end of the current observation season
Schatten von Ganymed am GRF
The stream shows Jupiter on 1 May 2026 between 20:36 and 21:39 CEST. Particularly striking at this time is the famous Great Red Spot (GRS), a cyclone that has existed for centuries. A black shadow can be seen next to the GRS...
published on: 10.05.2026
Astronomy Day 2026
Von der Sonne beleuchtete Hügelkette des Sinus Iridum
On Saturday, March 28 2026, the annual Astronomy Day, coordinated by the Vereinigung der Sternfreunde e.V., will take place. We will also be participating in this event with a varied program starting at 11:00 a.m.
published on: 04.12.2025
Occultation of Venus by the Moon
Image credit: Rainer Schaffner, 6" Newton f/4, 1/1000s, ASI 533 MC pro
On 19 September 2025, the Moon passed in front of Venus. We observed the event, which took place in the daytime sky at around 2.00 pm CEST, using the T1T and another telescope (Newton 6" f/4), and recorded it on video.
published on: 28.09.2025
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Further Events
11.09.2026, 19:30 Uhr
Von Menschen und Außerirdischen
Vortrag: Dr. Andreas Anton
IGPP Freiburg
Entdeckungen der Astrophysik und Astrobiologie in den letzten beiden Jahrzehnten zeigen, dass es in unserer Galaxis unzählige potenziell lebensfreundliche Planeten gibt. Vor diesem Hintergrund erscheint es heute wahrscheinlicher denn je, dass die Erde nicht der einzige belebte Planet und die Menschheit auch nicht die einzige intelligente Spezies im Universum ist.
Guided Tours
Public tours take place on the first and third Wednesday of every month, regardless of the weather. Reservations are not required, but we would still ask you to register using the contact form so that we can plan the tours better. If the weather is favorable, we will of course also make observations of the sky with the observatory's instruments.
The next public guided tour will take place on:
Mittwoch, 20.05.2026, 21:00 Uhr
future events
