M81, M82 (Bode and Cigar)

 Posted: Apr 25th, 2025
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Technical Info
Telescope/Lens: Askar SQA 85 мм f/4.8
Camera: ZWO ASI 183 MC
Mount: Ioptron HAE 29 C
Guide Scope: Askar 52 мм F4
Guide Camera: ZWO ASI 120 MM mini
Software: SharpCap 4.0, Siril, GraXpert, Adobe Photoshop
Exposure:
61 x 300" ISO/Gain: 120 - Фильтр IR CUT
Orange zoneLight Pollution:
 Petushki Vladimirskaya Oblast, Russia
 Apr 21st, 2025
5 h 5 m
806
Classic!
Without these objects, spring is not spring.

M 81 (Bode) is located at a distance of about 11 million light years, diameter about 70,000 light years, angular size 24.9'x11.5'.
M 82 (Cigar) is 12 million light years away from us, diameter about 38,000 light years, angular size 11.2' × 4.3'.

M 81 is in gravitational interaction with M 82, which leads to the appearance of filamentary gas structures in the group.
Also, gravity leads to the drawing of interstellar gas into the center of Messier 82, which leads to active star formation in this galaxy.
Resolution: 3840x2753 px
Scale: 1254 KB
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