Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  21 eta Cyg  ·  B144  ·  Sh2-101  ·  The star ηCyg
Tulip Nebula in SHO with Cygnus X-1 Bow Shock, Scott
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Tulip Nebula in SHO with Cygnus X-1 Bow Shock

Tulip Nebula in SHO with Cygnus X-1 Bow Shock, Scott
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Tulip Nebula in SHO with Cygnus X-1 Bow Shock

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The Tulip Nebula designated as Sh2-101 is a hydrogen emission nebula located 6000 light years away in the constellation Cygnus the Swan. This region is also home to the first stellar mass black hole discovered, Cygnus X-1. You can't see Cygnus X-1, but you can see its effect on its dusty surroundings. The blue OIII arc, just left of centre, is the bow shock produced by a relativistic jet emitted from Cygnus X-1 colliding with the interstellar medium (ISM).

I imaged this over seven nights in August 2020 (1,2,6,7,8,12, and 13) I spent a lot of time processing and after several revisions I settled on this version. Thanks for looking.

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Tulip Nebula in SHO with Cygnus X-1 Bow Shock, Scott