Bubble Nebula (Darius Kopriva)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble Nebula · HD220057 · HD240248 · HD240253 · LBN 544 · LBN 547 · LBN 548 · LBN 549 · LDN 1231 · NGC 7635 · Sh2-162

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Bubble Nebula

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Bubble Nebula

NGC 7635, also known as the Bubble Nebula, is a celestial object located in the constellation Cassiopeia. It was discovered by astronomer William Herschel in 1787.

The Bubble Nebula is a spherical shell of gas and dust that is being blown out by the massive star BD+60 2522, which is located at the center of the nebula. The star's intense radiation causes the surrounding gas to glow brightly, giving the nebula its distinctive appearance.

The Bubble Nebula is approximately 10 light-years across and is located about 7,100 light-years from Earth. It is a popular target for amateur and professional astronomers alike due to its striking appearance and proximity to Earth.

In addition to its beauty, the Bubble Nebula is also of scientific interest. Astronomers study it to better understand the formation and evolution of massive stars, as well as the interplay between stars and their surrounding interstellar medium.

Southern Hemisphere Astro

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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	7677538
PixInsight job	LQ0SYL42QXOK2VCWA3521ISW96NBR6P8
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h20m14s.10
RA (top/left)	23h23m35s.88
RA (top/right)	23h23m40s.70
RA (bottom/right)	23h16m44s.15
RA (bottom/left)	23h16m55s.23

Dec (center)	+61°10′30″.6
Dec (top/left)	+60°33′54″.6
Dec (top/right)	+61°47′02″.0
Dec (bottom/right)	+61°46′46″.6
Dec (bottom/left)	+60°33′39″.8

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Bubble Nebula

Bubble Nebula

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Bubble Nebula

Bubble Nebula

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