Soul Nebula (IC 1848) (Jeff Ridder)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD17086 · HD17356 · HD17505 · HD17520 · HD17688 · HD17911 · HD17971 · HD18152 · HD18326 · HD18352 · HD18766 · HD237000 · HD237007 · HD237011 · HD237015 · HD237016 · HD237018 · HD237019 · HD237023 · HD237034 · HD237036 · IC 1848 · IC 1871 · LBN 667 · LBN 669 · LBN 670 · LBN 672 · LBN 673 · LBN 675 · LDN · And 3 more.

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Soul Nebula (IC 1848)

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Soul Nebula (IC 1848)

The Soul Nebula is more than a massive space baby, it is also an emission nebula located in Cassiopeia. The star cluster within is IC 1848 and is about 6500 light years away. The Soul is a massive star-forming region with large cavities that were carved out by radiation and winds from the region's most massive stars. According to the theory of triggered star formation, the carving out of these cavities pushes gas together, causing it to ignite into successive generations of new stars. Infrared photos from the Spitzer Space Telescope show that the ages of the stars become progressively and systematically younger with distance from the center of the cavities. Wow! Cool stuff!

This image contains around 16 hours of narrowband exposure time to capture the details of the emission nebula. I added another half-hour of wideband exposures to capture the natural color of the stars -- doesn't need much due to the high signal-to-noise ratio of the stars.

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Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
Image of the day
Top picks
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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	5252293
PixInsight job	LSE3HSCD0EJSTPMUOBAEBTSCQLQP0SWX
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h55m33s.30
RA (top/left)	03h01m05s.97
RA (top/right)	02h46m35s.40
RA (bottom/right)	02h50m18s.25
RA (bottom/left)	03h04m21s.67

Dec (center)	+60°26′30″.1
Dec (top/left)	+61°20′47″.2
Dec (top/right)	+60°41′32″.4
Dec (bottom/right)	+59°31′20″.6
Dec (bottom/left)	+60°09′08″.7

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Soul Nebula (IC 1848)

Soul Nebula (IC 1848)

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Image Index:

Contribution Index (beta):

Soul Nebula (IC 1848)

Soul Nebula (IC 1848)

Equipment

Acquisition details

Description

Comments

Sky plot

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