A quick test during a short clearing, to check the ASI2600MC after the repair…
I have the impression everything is working ok. The lower right corner is not entirely flat.
NGC6888 and surroundings
M57
A color picture of the famous Ring Nebula, M57, in the constellation Lyra.
Telescope= 180mm Maksutov F/15
Reducer: Astrophysics CDTV067, F/11
Camera: Nikon D750
