NGC 891

Posted: Sep 21st, 2023

Technical Info

Telescope/Lens: Sky-Watcher 300/1500

Camera: ZWO ASI 1600MM-Cool

Mount: iOptron CEM70

Guide Scope: SW300/1500

Guide Camera: ZWO120-mini

Software: NINA, ASTAP, MaxIm DL 6.11, FITStacker, PhotoShop

Exposure:

30 x 90" ISO/Gain: 139 - L

40 x 120" ISO/Gain: 139 - L

30 x 90" ISO/Gain: 139 - R

30 x 90" ISO/Gain: 139 - G

30 x 90" ISO/Gain: 139 - B

Green zoneLight Pollution:

Novoe Dubovoe, Russia

Sep 21st, 2023

4 h 20 m

1424

16

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Resolution: 1800x1800 px

Scale: 1377 KB

Alexander Zaitsev

204

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Comments

Does it seem to me, or is the image actually overexposed?

21 Sep, 2023 Reply

Smirnov Andrey Replied to Smirnov Andrey

It didn't show up :( I measured the brightness of the halo in Photoshop: 255, 245, 241.

21 Sep, 2023 Reply

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