NGC 3718 and NGC 3729 (Ursa Major)

 Posted: May 6th, 2025
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NGC
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Technical Info
Telescope/Lens: Askar SQA 85 мм f/4.8
Camera: ZWO ASI 183 MC Pro
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:
68 x 180" ISO/Gain: 120 - Фильтр IR CUT
Orange, Bortle 6 zone:
 Petushki Vladimirskaya Oblast, Russia
 May 2nd, 2025
3 h 24 m
1106
Resolution: 1617x1202 px
Scale: 207 KB
Siril version 1.4.0 was used. The functionality has indeed expanded greatly. NGC 3718 is a galaxy of very unusual shape, gravitationally interacting with NGC 3729, which is the reason for such an appearance of the galaxy. The distance to NGC 3718 is about 50 million light-years. The diameter is 110,000 light-years. The apparent size is 8.1'x4.0'.
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