NGC 7635 LBN 549 Bubble Nebula

 Posted: Sep 3rd, 2026
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NGC
IC
HD
Technical Info
Telescope/Lens: Askar SQA 85 мм f/4.8
Camera: ZWO ASI 2600 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
Exposure:
73 x 300" ISO/Gain: 100
Orange, Bortle 6 zone:
 Petushki Vladimirskaya Oblast, Russia
 Aug 18th, 2026
6 h 5 m
140
Resolution: 1370x928 px
Scale: 307 KB
Located in the constellation Cassiopeia.
The bubble is formed by the stellar wind of a massive and hot star of the Wolf-Rayet type.
The nebula itself is part of a giant molecular cloud located at a distance of 7100 - 11,000 light-years from the Sun.
The physical size of the bubble is about 7 light-years. The apparent size is 15.0'x8.0'.
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