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NGC 891

Alexander Zaitsev
2624768
Category:Deep Sky
Published:
1944
NGC 891NGC 891
Resolution:
1800x1800 px
File size:
1377 KB

Technical information

Telescope/Lens
Sky-Watcher 300/1500
Camera
ZWO ASI1600MM-Cool
Mount
iOptron CEM70
Guide Scope
SW300/1500
Guide Camera
ZWO120-mini
Software
NINA, ASTAP, MaxIm DL 6.11, FITStacker, PhotoShop
Location
Новое Дубовое, Россия

Light pollution

Green, Bortle 4 zone

Date taken

Exposure

  • 30 × 90″ · ISO/Gain: 139 · L ·
  • 40 × 120″ · ISO/Gain: 139 · L ·
  • 30 × 90″ · ISO/Gain: 139 · R ·
  • 30 × 90″ · ISO/Gain: 139 · G ·
  • 30 × 90″ · ISO/Gain: 139 · B ·

Total exposure: 4 h 20 m

Comments

Smirnov Andrey
Does it seem to me, or is the image actually overexposed?
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Smirnov AndreyReply to Smirnov Andrey
It didn't show up :( I measured the brightness of the halo in Photoshop: 255, 245, 241.
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