Fragment of the "Question Mark" or "Skull" nebula, NGC 7822

Posted: Oct 7th, 2026

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NGC

IC

HD

Technical Info

Telescope/Lens: Sky-Watcher 150/750PDS и Askar 130PHQ + 0,7x reducer

Camera: ToupTek ATR2600M+ZWO Asi2600MM

Mount: JUWEI 17 + Optron HAE 69CEC

Software: Dss, Pixinsight, Photoshop

Exposure:

90 x 300" ISO/Gain: 100 - Ha

101 x 300" ISO/Gain: 100 - Sll

92 x 300" ISO/Gain: 100 - Olll

22 x 60" ISO/Gain: 100 - R

22 x 60" ISO/Gain: 100 - G

22 x 60" ISO/Gain: 100 - B

Green, Bortle 4 zone:

Smolenskaya Oblast, Russia

24 h 41 m

9

3

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Resolution: 5642x3602 px

Scale: 30254 KB

121

Collaboration with @vdoshaastro (Sergey Vdovin)

The moment when 2 telescopes came together: a reflector and a refractor. It turned out to be a very interesting experience both in terms of shooting and processing the material.

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