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CYGNUS NEBULA COMPLEX IN HA

Category:Deep Sky
Published:
2756
CYGNUS NEBULA COMPLEX IN HANGC 6996IC 5067NGC 6989NGC 6997NGC 7000NGC 7024NGC 7027NGC 7039NGC 7044IC 5068IC 5070IC 5076
Resolution:
5496x3672 px
File size:
48487 KB

Photo description / processing

f/3.5, aperture stop, printed on a printer.

Technical information

Telescope/Lens
Samyang 85mm f/1.4 AS IF UMC Aspherical
Camera
ZWO ASI183MM Pro
Mount
Celestron Advanced VX
Guide Scope
Guide Scope 30mm f/4
Guide Camera
ZWO ASI178MM
Accessories
ZWO ASIAIR
Software
Pixinsight, FitStacker, Adobe Photoshop
Location
Красноярск, Россия

Light pollution

White, Bortle 8/9 zone

Exposure

  • 12 × 600″ · ISO/Gain: 120 · Svbony Ha 7nm

Total exposure: 2 h 0 m

Comments

malex
Great. And is this really possible in a white zone of light pollution?
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Pavel ZhukovReply to malex
Thank you. Here is what lightpollution.info reports (Atlas 2015):

SQM: 18.14 mag./arc sec²
Brightness: 5.96 mcd/m²
Artificial Brightness: 5790 μcd/m²
Ratio: 33.9
Bortle: class 8-9
Elevation: 137 meters
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alexiezkoff
Resolution is good for such a focal length. Excellent work, Pasha.
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Dirk Willfeld
looks amazing!!! did you shoot at F/1.4? or did you need to stop the lens down a little bit?
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Pavel ZhukovReply to Dirk Willfeld
Thanks! I have stopped down the lens to f/3.5 using external aperture.
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Dirk Willfeld
looks amazing!!! did you shoot at F/1.4? or did you need to stop the lens down a little bit?
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Dirk Willfeld
looks amazing!!! did you shoot at F/1.4? or did you need to stop the lens down a little bit?
Reply

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