Bubble Nebula (NGC 7635, Sharpless 162, Caldwell 11) (Susan)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble Nebula · HD220057 · LBN 548 · LBN 549 · LDN 1231 · NGC 7635 · PK112-00.1 · Sh2-162

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Bubble Nebula (NGC 7635, Sharpless 162, Caldwell 11)

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Powered byPixInsight

Bubble Nebula (NGC 7635, Sharpless 162, Caldwell 11)

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Collected 3,471 Stellina lights and 200 darks on three nights from August 17-19, 2022. Lights vetted with APP analyses. Stacked 1,900 lights and 200 darks in Astro Pixel Processor. Edited result in PixInsight and Photoshop.

When I studied the image, V628 Cassiopeiae (MWC 1080) and a bright nebulosity caught my eye (bottom edge, near right corner.) I read in some journals that it's a Herbig Be/extremely young pre-sequence star (in a star formation stage) and part of a close eclipsing binary system with an ~3-day (2.8869) period. Also, that it's part of a small cluster and has an hour-glass shaped emission associated with molecular outflow from the star.

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Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
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.
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	7311362
PixInsight job	DU9BSG29CHK0354EEIOCI4VY2ZVIPO9Q
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h20m53s.37
RA (top/left)	23h25m19s.21
RA (top/right)	23h16m27s.33
RA (bottom/right)	23h16m33s.40
RA (bottom/left)	23h25m14s.38

Dec (center)	+61°11′09″.4
Dec (top/left)	+61°31′33″.3
Dec (top/right)	+61°31′33″.2
Dec (bottom/right)	+60°50′13″.3
Dec (bottom/left)	+60°50′08″.8

Image Index:

Contribution Index (beta):

Bubble Nebula (NGC 7635, Sharpless 162, Caldwell 11)

Bubble Nebula (NGC 7635, Sharpless 162, Caldwell 11)

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Image Index:

Contribution Index (beta):

Bubble Nebula (NGC 7635, Sharpless 162, Caldwell 11)

Bubble Nebula (NGC 7635, Sharpless 162, Caldwell 11)

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Description

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