Observatory News
Jupiter at the end of the current observation season
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
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
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
20.11.2026, 19:30 Uhr
Wie wir Exoplaneten beobachten und verstehen
Künstlerische Darstellung des Planeten Epsilon Indi Ab mit Wolken über seiner von Ammoniak dominierten Atmosphäre. © E. C. Matthews, MPIA / T. Müller, HdA
Vortrag: Kim Angelique Kahle
PhD candidate, APEx Department
Max Planck Institute for Astronomy
Königstuhl 17, 69117 Heidelberg, Germany
"Mein Vater Erklärt Mir Jeden Sonntag Unseren Nachthimmel." Zu den acht (vormals neun) Planeten in diesem alten Merksatz haben sich inzwischen über 6000 weitere dazugesellt. Diese umkreisen jedoch nicht unsere Sonne, sondern...
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, 01.07.2026, 21:00 Uhr
future events
Trebur Astronomy Foundation




