Discovered 1775 by Johann Elert Bode. Globular star cluster Messier 53 (M53, NGC 5024) is one of the more outlying globulars, being about 60,000 light years away from the Galactic center, and almost the same distance (about 58,000 light years) from out Solar system. At this distance, its apparent angular diameter of 13′ corresponds to …
Yesterday we had quite a good seeing in this region. The stars showed nice diffraction rings so I decided to make some moon imagery using my C11. Quite some detail can be seen on this 31 image mosaic. For example the rille in the Vallis Alpes can be seen. All images taken with the C11 …
Tonight I didn’t feel like putting up my whole setup. So I decided to put our schooldobson to the test. There would be a nice ISS passage almost straight over so I wanted to see if I could see it. It’s terrible to try to catch the ISS as it’s moving very fast, but after …