SH2-101 Tulip Nebula SHO (Anthony Husson)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 21 Cyg · 21 eta Cyg · B144 · HD188969 · HD189085 · HD189148 · HD189474 · HD189528 · HD190113 · HD190114 · HD226868 · HD226909 · HD227018 · HD227150 · LBN 168 · LBN 171 · LDN 847 · Sh2-101 · The star η Cyg

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SH2-101 Tulip Nebula SHO

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SH2-101 Tulip Nebula SHO

La nébuleuse de la Tulipe, (sh2-101 dans le catalogue Sharpless ou encore CED 173) est située à environ 6000 années-lumière et s'étale sur environ 10,8 années lumière. La nébuleuse est en fait un vaste amas d'hvdrogène ionisé sous l'effet d'une étoile bleue. Tout près de la nébuleuse, se trouve la célèbre étoile Cygnus X-1 qui a été très étudiée en tant que première candidate à titre de trou noir, qui a une source importante de rayons-X.
Plus d'infos détaillées sur le site de @Jean-Baptiste Auroux
https://millenniumphoton.com/portfolios/sh2101-tulipe/

Traitement et choix de la cible avec ma fabuleuse compagne Natacha Couillaud

The Tulip Nebula, (sh2-101 in the Sharpless catalog or CED 173) is located about 6000 light-years away and spans about 10.8 light-years. The nebula is in fact a vast cluster of hydrogen ionized under the effect of a blue star. Very close to the nebula is the famous star Cygnus X-1 which has been much studied as an early black hole candidate, which has an important source of X-rays.
More detailed information on Jean-Baptiste Auroux website
https://millenniumphoton.com/portfolios/sh2101-tulipe/

Treatment and choice of the target with my fabulous companion Natacha Couillaud

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Title: Starless

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Société astronomique de France
Astrophotographes (France)
Hydrogen and Oxygen Narrowband Only!
IOptron CEM
QHY268M/ZWO2600M Images
AAA : Astronomes et Astrographes Amateurs

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Status	Advanced success
Started	...
PixInsight job	4ROX14FZMP8LQTFJ1RB7046XCFE6VK78
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h58m44s.417
RA (top/left)	20h02m11s.835
RA (top/right)	19h55m26s.187
RA (bottom/right)	19h55m19s.226
RA (bottom/left)	20h02m00s.417

Dec (center)	+35°22′56″.30
Dec (top/left)	+35°48′38″.98
Dec (top/right)	+35°51′28″.20
Dec (bottom/right)	+34°56′46″.37
Dec (bottom/left)	+34°53′59″.23

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