Software:APT, DeepSkyStacker, FitsWork, FITStacker, Lightroom, StraNet2GUI, Photoshop, Topaz Denoise AI
Accessories:Baader MPCC Mark III, iOptron iPolar, Bahtinov mask
Exposure:
671 x 15" ISO/Gain: 3200
Blue zoneLight Pollution:
Chelyabinsk, Russia
Aug 23rd, 2025
2 h 48 m
1113
3
The open star cluster Pleiades Messier 45 This is one of the closest clusters to us (443 light years). Despite the fact that the second name of the cluster is the Seven Sisters - in a telescope you can see much more than seven. And in reality there are about 3000. If you look closely at the photo, reflection nebulae such as the Maia Nebula and the Merope Nebula have appeared around the hot blue stars - named after the stars whose light they reflect.
Equipment and software: Camera Canon EOS 550 D. Telescope Synta SkyWatcher 150/750, F/5 Mount HEQ-5 Pro Bahtinov mask Polar alignment camera iOptron iPolar Baader MPCC Mark III coma corrector
Software for shooting: Astrophotography Tool SharpCap (polar alignment) EQ-Mode ASCOM Cartes Du Ciel
Shooting from 08-22-23.2025, near the village of Stepninskoye, Chelyabinsk region Blue zone of light pollution. Class 4 on the Bortle scale Total 671 Light frames of 15 seconds + 20 Dark frames + 20 Bias frames ISO 3200
Total accumulated signal Σ=2h47'45"
Software for post-processing: DeepSkyStacker FitsWork FITStacker Lightroom StraNet2GUI Photoshop Topaz Denoise AI
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