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NGC6888 Crescent and Tulip

Nickolay
1211322
Category:Deep Sky
Published:
104
NGC6888 Crescent and Tulip
Resolution:
2975x2962 px
File size:
3533 KB

Technical information

Telescope/Lens
Samyang 135mm f/2 ED UMC
Camera
ZWO ASI533MC Pro
Mount
Sky-Watcher Star Adventurer GTi
Guide Scope
svbony sv165
Guide Camera
zwo asi662mc
Accessories
ZWO ASIAIR Mini
Software
Siril, RC-Astro
Location
Кичменгский Городок Вологодская область, Россия

Light pollution

Green, Bortle 4 zone

Date taken

Exposure

  • 22 × 600″ · ISO/Gain: 100 · LAIDA dual band Ha OIII 7нм ·

Total exposure: 3 h 40 m

Comments

ankorot
Interesting processing, where hydrogen looks like dust.
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NickolayReply to ankorot
Thanks, that's how it added up in pixel math in the bicolor palette; I shot during the moon, hydrogen accumulated well, oxygen very little, apparently that's why such a result; there's a version without channel separation but I didn't post it)
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