Hi Uwe, perhaps I didn't see the central star because the sky was brighter than the one you were looking through , and I was at low altitude - only about 200 meters!
Hi Uwe, perhaps I didn't see the central star because the sky was brighter than the one you were looking through , and I was at low altitude - only about 200 meters!
Howard
30-inch f/2.7 alt-az Newtonian
https://sites.google.com/site/howardbanichhomepage/
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Contributing Editor, Sky & Telescope magazine