Tulip Nebula Ha with Cygnus X-1 Bow Shock (Aris Pope)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: B144 · HD189474 · HD189528 · HD226868 · HD226909 · HD227018 · LBN 168 · LBN 171 · Sh2-101

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Tulip Nebula Ha with Cygnus X-1 Bow Shock

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Tulip Nebula Ha with Cygnus X-1 Bow Shock

I cropped this photo for a better view of Sh2-101 and the Cygnus X-1 Bow Shock. "A bow shock occurs when the magnetosphere of an astrophysical object interacts with the nearby flowing ambient plasma such as the solar wind", (Wikipedia). As I noted in the previous version, star HD226868 makes a complete orbit of the black hole in that region every 6-8 days. Simply amazing!!

ZWO ASI 294MC PRO
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Antlia ALP-T 5nm Dual Narrowband Filter
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Imaged with N.I.N.A.

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Status	Advanced success
Started	...
PixInsight job	HEPO80SL7BL1S8KD4FNKM0RVR8AR3TZA
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h59m07s.38
RA (top/left)	20h00m37s.95
RA (top/right)	19h56m36s.36
RA (bottom/right)	19h57m38s.13
RA (bottom/left)	20h01m38s.72

Dec (center)	+35°20′45″.9
Dec (top/left)	+35°46′31″.2
Dec (top/right)	+35°27′35″.9
Dec (bottom/right)	+34°54′57″.6
Dec (bottom/left)	+35°13′42″.3

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Tulip Nebula Ha with Cygnus X-1 Bow Shock

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Tulip Nebula Ha with Cygnus X-1 Bow Shock

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