Crescent Nebula (NGC 6888)

 Posted: Jul 27th, 2026
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NGC
IC
HD
Technical Info
Telescope/Lens: Askar 65 PHQ
Camera: ZWO ASI294MM Pro
Mount: JUWEI 14
Guide Scope: ZWO 30F4
Guide Camera: ZWO ASI120mini
Software: ZWO ASIAir OS, Siril, Darktable
Exposure:
19 x 300" ISO/Gain: 120 - Antlia 3nm Narrowband H-Alpha (Ha)
23 x 300" ISO/Gain: 120 - Antlia 3nm Narrowband Oxygen III (OIII)
Red, Bortle 7 zone:
 Vyksa, Russia
 Sep 22nd, 2025
3 h 30 m
7
Resolution: 4011x2674 px
Scale: 5283 KB
I decided to try rethinking the processing using only free software—to see if I could achieve a result at least as good as with PixInsight. The colors turned out much softer, but the details don't seem to have decreased. Perhaps this processing looks more natural.
Current photo Updated
  Today, at 18:50
  3 h 30 m
I decided to try rethinking the processing using only free software—to see if I could achieve a result at least as good as with PixInsight. The colors turned ou…
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