The Tulip Nebula Sh2-101 and the Cygnus X1 Black Hole (Mike Dobres)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: B144 · HD189474 · HD189528 · HD226867 · HD226868 · HD226918 · HD226919 · HD226938 · HD227018 · HD227027 · HD227072 · HD227080 · LBN 168 · Sh2-101

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The Tulip Nebula Sh2-101 and the Cygnus X1 Black Hole

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The Tulip Nebula Sh2-101 and the Cygnus X1 Black Hole

One of my favorite nebulas. I framed this to also capture the blue supergiant variable star HDE 226868 and Cygnus X1 - the X-ray omitting source that is believed to be a black hole. They form a binary system, with Cygnus X1 orbiting around HDE 226868 with a period of 5.6 days. I was hoping to capture the shock wave produced by the black hole, that others on this site have captured. A feint arc is visible during early processing, but I probably need longer subs and total exposure - and better processing skills for to really bring it out. HDE 226868 is labelled on the far right in the plate-solve annotation. No X-ray filter, so Cygnus X1 not visible

https://www.nasa.gov/mission_pages/chandra/multimedia/cygnusx1.html
https://en.wikipedia.org/wiki/Cygnus_X-1
https://www.skyatnightmagazine.com/space-science/black-hole-cygnus-x-1/

Short exposures DSO
Duo-band, Tri-band, and Quad-band Imaging
StarTools
Dobson imagers
Optolong L-eXtreme filter
Astrophotography in Spain
Astrophotography with Dobson

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Status	Advanced success
Started	...
Astrometry.net job	5953362
PixInsight job	BIWPYEXRNVVKWXX1G0KYS5G3F7D2AXRB
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h59m11s.30
RA (top/left)	19h59m50s.12
RA (top/right)	19h57m21s.45
RA (bottom/right)	19h58m32s.81
RA (bottom/left)	20h01m01s.17

Dec (center)	+35°22′00″.8
Dec (top/left)	+35°43′01″.1
Dec (top/right)	+35°23′15″.3
Dec (bottom/right)	+35°01′01″.1
Dec (bottom/left)	+35°20′40″.3

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The Tulip Nebula Sh2-101 and the Cygnus X1 Black Hole

The Tulip Nebula Sh2-101 and the Cygnus X1 Black Hole

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The Tulip Nebula Sh2-101 and the Cygnus X1 Black Hole

The Tulip Nebula Sh2-101 and the Cygnus X1 Black Hole

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