Ring Nebula (M57, NGC 6720)

 Posted: Oct 12th, 2026
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NGC
IC
HD
Technical Info
Telescope/Lens: Bresser Pollux 150/750 EQ-3
Camera: canon 550d
Mount: EQ-3
Software: PhotoShop, Siril
Accessories: RA Tracking motor
Exposure:
52 x 15" ISO/Gain: 800
Green, Bortle 4 zone:
 Vesterborg, Denmark
 Oct 11th, 2026
13 m
8
Resolution: 5001x2906 px
Scale: 26331 KB

Unfortunately, the red border of the nebula got lost somewhere. No matter how hard I tried to pull it out, it was all for nothing. On top of that, during the shoot there were just an awful lot of clouds, and about 60% of all frames went in the trash. Overall I'm happy with the result, much better than what I got 3 years ago.

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