Bubble nebula and friends

Posted by Amenophis
on Wednesday, December 11, 2019
I present you a large field around the nebula of the bubble comprising:
- an open cluster of stars (M52-NGC 7654: distant about 5000 light years)
- nebula NGC 7538 (active star formation region)
- the bubble nebula (bubble created by the stellar wind of a star), which is about 10 light years in diameter and continues to grow, for comparison the diameter of the heliosphere, the sphere of influence of the Sun, would be close to 35 light-hours only.)

That's what you can do with a DSLR.

ASA10" Newtonien
Canon 6D Astrodon
Paramount MyT
186x300s at 400ISO (02 and 03DEC2019)
Total exposure : 15hrs
FRANCE - Lorraine (54)
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