Bubble and Lobster Claw in SHO (Marc Mantha)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: 4 Cas · Bubble Nebula · HD218997 · HD219286 · HD219287 · HD219460 · HD219634 · HD219854 · HD220016 · HD220056 · HD220057 · HD220074 · HD220102 · HD220130 · HD220167 · HD220180 · HD220369 · HD220760 · HD240233 · HD240244 · HD240245 · HD240248 · HD240250 · HD240252 · HD240253 · HD240256 · HD240264 · HD240267 · HD240290 · HD240293 · And 28 more.

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Bubble and Lobster Claw in SHO

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Bubble and Lobster Claw in SHO

This is one of my favorite region of Cassiopeia, there is so much going on in that area!

The Bubble Nebula (NGC 7635) is 7 light-years across – about one-and-a-half times the distance from our sun to its nearest stellar neighbor, Alpha Centauri – and resides 7,100 light-years from Earth in the constellation Cassiopeia.

The seething star forming this nebula is 45 times more massive than our sun. Gas on the star gets so hot that it escapes away into space as a "stellar wind" moving at over 4 million miles per hour. This outflow sweeps up the cold, interstellar gas in front of it, forming the outer edge of the bubble much like a snowplow piles up snow in front of it as it moves forward.

Sharpless 157, sometimes referred as the Lobster Claw Nebula is an emission nebula at a distance of approximately 11050 light years from the Earth. The predominantly orange part of the nebula is a very large H II region that is ring-shaped by the stellar wind of several giant stars, including the bright and very young Wolf-Rayed star WR 57. The small bright region at the left and up of center of the image is Lyn's Bright Nebula 537 (LBN537 or Sharpless 157a). The blue colored regions at the right part of the image mainly consist of highly ionized oxygen (OIII) and other gases. The small open star cluster NGC 7510 is located at the bottom right part.

This image was taken over multiple nights from my backyard in Gatineau, Québec.

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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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Professional, scientific grade data
Mix of multiple sources
Other
Unknown

The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Status	Advanced success
Started	...
Astrometry.net job	7035995
PixInsight job	PY99AY3CS97ZLL3X7IPBZVJVACVJ74Z7
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h17m41s.18
RA (top/left)	23h26m12s.95
RA (top/right)	23h25m10s.75
RA (bottom/right)	23h08m22s.72
RA (bottom/left)	23h10m53s.38

Dec (center)	+60°49′28″.3
Dec (top/left)	+59°24′09″.7
Dec (top/right)	+62°21′31″.5
Dec (bottom/right)	+62°12′30″.7
Dec (bottom/left)	+59°15′58″.8

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Bubble and Lobster Claw in SHO

Bubble and Lobster Claw in SHO

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Bubble and Lobster Claw in SHO

Bubble and Lobster Claw in SHO

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