NGC 7635 The Bubble Nebula (Dale A Chamberlain)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble Nebula · HD220057 · LBN 548 · LBN 549 · NGC 7635 · Sh2-162

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NGC 7635 The Bubble Nebula

Link: https://chamberlainobservatory.com/index.php/welcome-to-the-chamberlain-observatory-website/photo-gallery/ngc-7635-the-bubble-nebula-2/

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NGC 7635 The Bubble Nebula

Link: https://chamberlainobservatory.com/index.php/welcome-to-the-chamberlain-observatory-website/photo-gallery/ngc-7635-the-bubble-nebula-2/

NGC 7635, also known as the Bubble Nebula, Sharpless 162, or Caldwell 11, is an H II region emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star, SAO 20575 (BD+60°2522). The nebula is near a giant molecular cloud which contains the expansion of the bubble nebula while itself being excited by the hot central star, causing it to glow. It was discovered in 1787 by William Herschel. Distance from Earth is 7100-11000 light-years.

This image was a difficult one primarily because of the smoke from the west coast forest fires permeating the otherwise clear skies.

2023-01-02: Revised with advanced techniques such as RC-Astro's BXT, NXT and SXT, and GradXpert.

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B

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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.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	6871138
PixInsight job	13U2I3E52UF1J1V1SXYXXPJHKU43I6VR
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h20m47s.940
RA (top/left)	23h20m26s.840
RA (top/right)	23h18m05s.106
RA (bottom/right)	23h21m08s.607
RA (bottom/left)	23h23m30s.272

Dec (center)	+61°08′08″.76
Dec (top/left)	+61°27′49″.15
Dec (top/right)	+61°10′58″.48
Dec (bottom/right)	+60°48′28″.16
Dec (bottom/left)	+61°05′06″.85

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NGC 7635 The Bubble Nebula

NGC 7635 The Bubble Nebula

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NGC 7635 The Bubble Nebula

NGC 7635 The Bubble Nebula

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