On July 4, 32 pupils from grades 5 to 10, accompanied by Thomas Strauch and Frank Bohlscheid, who both teach astronomy courses at Hollenberg-Gymnasium Waldbröl, set off to visit the school observatory in Schnörringen...
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A wide-field telescope
Our combined funding application to the EU LEADER Oberberg program, the Hans Hermann Voss Foundation and the Rotary Club Gummersbach for a wide-field telescope and its instrumentation (mount, camera, filter) was...
2. July 2024
An astronomy course on site
Pupils at Engelbert von Berg-Gymnasium in Wipperfürth chose astronomy as a specialisation course and found out about our technical equipment and the opportunities for astronomical work at our site. The weather was...
26. June 2024
Astrophotographer tinkers with spectrometer
While I was at the observatory on a quiet Saturday, soldering away at a defective controller for a mount, I received a message from a club colleague: “Can you please take a look at which eyepiece we can use for...
24. June 2024
A speedrun
Would you like to know how long it takes to take a photo of the sun? That’s why I went to the observatory and did a speedrun for a photo of the sun for you 5 minutes arrival. Put things down, unlock everything 15...
10. June 2024
A new dome slit
Our fiberglass dome was in urgent need of repair. The running surfaces of the dome slit were in a catastrophic condition and made a terrible noise when the slit was opened. We already had concerns about opening the dome...
4. June 2024
A storage container provides space
It was slowly getting cramped in our service building. Many telescopes and telescope mounts as well as chairs for the seminar room were in the way at important places. This has now been remedied. The company Säbu from...
3. June 2024
The sun: Our star and the polar lights
The sun is the star around which our planets revolve. It plays a crucial role for life on Earth by providing light and heat. But the sun is also responsible for spectacular phenomena, such as the auroras. The sun goes...
12. May 2024
… and then came the polar lights
Typically, the electrons from a mass ejection from the sun take two to three days to reach Earth. And since a lot of matter is ejected from sunspots in particular, strong auroras could certainly be expected from the...
11. May 2024
Monster spots on the sun…
To enrich today’s Father’s Day with something meaningful, I continued the solar observation I started yesterday this morning with an almost open and clear sky. Looking at the two sunspots AR 3663 and a...
9. May 2024
The Dark Shark
The dark nebula LDN 1235 (also known as the Dark Shark) is located in the constellation Cepheus and is best observed in the months of May-December. It is a molecular cloud about 650 light years away and around 15 light...
2. May 2024
Public spectroscopy forum
We not only want to take beautiful photos but also do astrophysics. This is done by physically analysing light using spectrographs. We offer an open spectroscopy forum for those who are interested in astrospectroscopy...
7. March 2024
