NGC 7635 & NGC 7538 (Sh2-158), aka The Bubble nebula & nearby Emission nebula (Dev (Dave) Prana)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble Nebula · HD220057 · HD240233 · LBN 542 · LBN 543 · LBN 548 · LBN 549 · LDN 1231 · NGC 7538 · NGC 7635 · Sh2-158 · Sh2-159 · Sh2-162

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NGC 7635 & NGC 7538 (Sh2-158), aka The Bubble nebula & nearby Emission nebula

Powered byPixInsight

NGC 7635 & NGC 7538 (Sh2-158), aka The Bubble nebula & nearby Emission nebula

NGC7635 & Sh2-158: The Bubble Nebula (Sharpless 162) is a bright emission nebula. Personally, maybe because I love dogs, I see a cute Labradore holding a soft beachball. It lies near the edge of the northern constellation Cassiopeia, about 11,000 Light Years away from our Bortle 5 backyard, bordering on Cepheus. As you’ll soon see in my long-exposure image, this bright HII region is surrounded by many more interesting deep-sky objects. It sits very close in the sky to another popular emission nebula for amateur astrophotography, the NGC 7538, is located in the constellation Cepheus. It is located about 9,100 light-years from Earth. It is home to the biggest yet discovered protostar which is about 300 times the size of the Solar System. Wikipedia
Constellation: Cepheus
Distance: 9,100 ly (2,800 pc)

Equipment used: SW ED100 esprit Triplet Apo on HEQ5 Pro mount, ZWO 294MC Pro main camera and ZWO 120mini guidecam, 60mm guidescope, ASI Air Plus, Optolong L Pro filter, dew heater straps, all powered by Jackery packs.. full resolution and coordinates available on Astrobin.

I was able to collect good 18 x 300 secs (18 x 5 min) light subs (exposures). Stacked, integrated, and post processed in Pixinsight.

Please note: The following tables are updated every 24 hours.

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	6213056
PixInsight job	VZTSF2E4V34JH16FOYQIV1QG2M3O8LAT
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h17m39s.20
RA (top/left)	23h22m13s.79
RA (top/right)	23h12m46s.21
RA (bottom/right)	23h13m10s.77
RA (bottom/left)	23h22m25s.61

Dec (center)	+61°10′26″.9
Dec (top/left)	+61°36′04″.6
Dec (top/right)	+61°33′02″.7
Dec (bottom/right)	+60°44′03″.3
Dec (bottom/left)	+60°47′02″.6

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NGC 7635 & NGC 7538 (Sh2-158), aka The Bubble nebula & nearby Emission nebula

NGC 7635 & NGC 7538 (Sh2-158), aka The Bubble nebula & nearby Emission nebula

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Image Index:

Contribution Index (beta):

NGC 7635 & NGC 7538 (Sh2-158), aka The Bubble nebula & nearby Emission nebula

NGC 7635 & NGC 7538 (Sh2-158), aka The Bubble nebula & nearby Emission nebula

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