Crescent Nebula

 Posted: Aug 6th, 2025
Show astrometry on hover
NGC
IC
HD
Technical Info
Telescope/Lens: Sky-Watcher 130/650 PDS
Camera: Canon 550Da
Mount: EQ-3 Onstep
Software: Sirill, Pixinsihgt, Photoshop
Accessories: Zwo duoband 1.25
Exposure:
280 x 60" ISO/Gain: 800
Green zoneLight Pollution:
 Moskva, Russia
 Jul 24th, 2025
4 h 40 m
403
Resolution: 4492x2868 px
Scale: 24239 KB
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Comments

Hello!!! I'm asking about OnStep. I also have OnStep v5 for an EQ3-2, but the maximum exposure I can do with it is 10 seconds. If I set it longer, the stars stretch into trails with my Canon EOS 7D and Celestron AstroMaster 130. I set everything up very precisely. Do you know what the problem might be?
30 Aug, 2025 Reply

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