Cosmic Artistry: Exploring the Mysteries of the Lobster and Bubble Nebulas (Jedadiah Ashford)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: 4 Cas · Bubble Nebula · HD218997 · HD219286 · HD219460 · HD219634 · HD220016 · HD220056 · HD220057 · HD220074 · HD220102 · HD220130 · HD220147 · HD220167 · HD220180 · HD220369 · HD220760 · HD220770 · HD220819 · HD221037 · HD240233 · HD240244 · HD240245 · HD240248 · HD240250 · HD240252 · HD240253 · HD240256 · HD240264 · HD240267 · And 32 more.

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Cosmic Artistry: Exploring the Mysteries of the Lobster and Bubble Nebulas

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Cosmic Artistry: Exploring the Mysteries of the Lobster and Bubble Nebulas

This two panel mosaic of the Lobster Nebula and the Bubble Nebula are two captivating celestial formations, each showcasing unique aspects of cosmic phenomena. Located in the constellation Scorpius, the Lobster Nebula, or NGC 6357, is a vibrant emission nebula rich in ionized hydrogen. It was first noted by John Herschel in the 1830s during his observations in South Africa. This nebula is particularly known for its complex structure and intense star-forming activity, housing some of the most massive and luminous stars known, which illuminate its gas clouds to create a spectacle of color and form that resembles a lobster's claw.Meanwhile, in the constellation Cassiopeia, the Bubble Nebula, or NGC 7635, offers a different but equally stunning view. Discovered by William Herschel in 1787, this nebula features a remarkable, nearly perfect spherical bubble, formed by stellar winds from a massive central star about 45 times the mass of the Sun. The star's winds push against the surrounding gas, creating a shell that looks like a delicate bubble floating in space. This ongoing interaction between the star's output and nebular material provides a dynamic example of the forces at work in stellar evolution, making the Bubble Nebula a fascinating subject for both professional and amateur astronomers. Together, these nebulae highlight the diverse and dynamic nature of our universe, from the violent birth of stars to the sculpting of nebular gas by stellar winds.

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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	9697930
PixInsight job	JPRQ7GCLR1UQKKX2JNOZPR1VKBJ1MDL3
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h18m00s.49
RA (top/left)	23h28m56s.25
RA (top/right)	23h08m21s.23
RA (bottom/right)	23h08m00s.67
RA (bottom/left)	23h26m46s.11

Dec (center)	+61°06′34″.6
Dec (top/left)	+62°29′30″.5
Dec (top/right)	+62°37′14″.6
Dec (bottom/right)	+59°40′36″.6
Dec (bottom/left)	+59°33′34″.7

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Cosmic Artistry: Exploring the Mysteries of the Lobster and Bubble Nebulas

Cosmic Artistry: Exploring the Mysteries of the Lobster and Bubble Nebulas

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Cosmic Artistry: Exploring the Mysteries of the Lobster and Bubble Nebulas

Cosmic Artistry: Exploring the Mysteries of the Lobster and Bubble Nebulas

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