Abell 21

 Posted: Mar 17th, 2026
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NGC
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Technical Info
Telescope/Lens: Sky-Watcher 130650
Camera: asi 585mc
Mount: EQ5
Guide Scope: 52x200
Guide Camera: GPCMOS2000KMA
Software: Siril, Photoshop
Exposure:
60 x 180" ISO/Gain: 252 - SVBONY UV/IR CUT
60 x 180" ISO/Gain: 252 - Optolong L-Pro
112 x 180" ISO/Gain: 252 - zwo duo band
Yellow, Bortle 5 zone:
 P Krasnyy Bogatyr Tulskaya Obl, Russia
11 h 36 m
14
Resolution: 1646x982 px
Scale: 3503 KB
mike
134
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