M 51

 Posted: Apr 19th, 2021
Show astrometry on hover
NGC
IC
HD
Technical Info
Telescope/Lens: TS-Optics Doublet SD Apo 72 mm f/6
Camera: Canon 550Da( без фильтра)
Mount: CG-5 (SynScan GOTO)
Software: гидирование PHD2, сложение, обработка Siril, фотошоп
Exposure:
12 x 600" ISO/Gain: 400
Orange zoneLight Pollution:
 Ekaterinburg, Russia
 Apr 17th, 2021
2 h 0 m
2329
Reduced ISO from 1600 to 400, the stars became less bloated, and the dynamic range expanded.
Resolution: 1701x1134 px
Scale: 1279 KB
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Comments

In my opinion, the background is a bit too dark, and I chose ISO 800 for myself—it's optimal for noise and the sensitivity is fine.
19 Apr, 2021 Reply

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