CYGNUS NEBULA COMPLEX IN HA

Posted: Jul 27th, 2020

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NGC

IC

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Technical Info

Telescope/Lens: Samyang 85mm F1.4 AS IF UMC Aspherical

Camera: ZWO ASI183MM Pro

Mount: Celestron Advanced VX

Guide Scope: 30MMF4

Guide Camera: ZWO ASI178MM

Software: Pixinsight, Fitstacker, Photoshop

Accessories: ZWO ASIAir

Exposure:

12 x 600" ISO/Gain: 120 - Svbony Ha 7nm

White zoneLight Pollution:

Krasnoyarsk, Russia

2 h 0 m

2436

14

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

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Resolution: 5496x3672 px

Scale: 48487 KB

44

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Comments

Great. And is this really possible in a white zone of light pollution?

27 Jul, 2020 Reply

Pavel Zhukov Replied 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

28 Jul, 2020 Reply

Resolution is good for such a focal length. Excellent work, Pasha.

27 Jul, 2020 Reply

Pavel Zhukov Replied to Alexiezkoff

Alexander, thank you.

28 Jul, 2020 Reply

looks amazing!!! did you shoot at F/1.4? or did you need to stop the lens down a little bit?

1 Aug, 2020 Reply

Pavel Zhukov Replied to Dirk Willfeld

Thanks! I have stopped down the lens to f/3.5 using external aperture.

2 Aug, 2020 Reply

looks amazing!!! did you shoot at F/1.4? or did you need to stop the lens down a little bit?

1 Aug, 2020 Reply

looks amazing!!! did you shoot at F/1.4? or did you need to stop the lens down a little bit?

1 Aug, 2020 Reply

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