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Crescent Nebula (NGC 6888)

Strannick
1321665
Category:Deep Sky
Published:
249
Crescent Nebula (NGC 6888)NGC 6874NGC 6881NGC 6888
Resolution:
4011x2674 px
File size:
5283 KB

Photo description / processing

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.

Technical information

Telescope/Lens
Askar 65 PHQ
Camera
ZWO ASI294MM Pro
Mount
JUWEI 14
Guide Scope
ZWO 30mm f/4 Guide Scope
Guide Camera
ZWO ASI120MM Mini
Software
ZWO ASIAIR OS, Siril, Darktable
Location
Выкса, Россия

Light pollution

Red, Bortle 7 zone

Date taken

Exposure

  • 19 × 300″ · ISO/Gain: 120 · Antlia 3nm Narrowband H-Alpha (Ha) ·
  • 23 × 300″ · ISO/Gain: 120 · Antlia 3nm Narrowband Oxygen III (OIII) ·

Total exposure: 3 h 30 m

Photo versions

Crescent Nebula (NGC 6888)
Current photoUpdated
Crescent Nebula (NGC 6888)

Jul 27th, 2026

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 out much softer, but the details don't seem to have decreased. Perhaps this processing looks more natural.

Show changes
Previous version
Current version

Comments

oeswww
Comment on photo: Crescent Nebula (NGC 6888)from
Where is all this signal coming from, even on the whistle)
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