IC 1848 - 2020 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: IC 1848 · IC 1871 · PGC 2797273 · PGC 2797281 · PGC 2797353 · Sh2-199

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IC 1848 - 2020

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IC 1848 - 2020

This object, unfortunately stuck with the nickname of the Soul Nebula because of the Heart Nebula next door, is an emission nebula located 6500 light years away in the constellation of Cassiopeia. The nebula spans 2 degrees in our apparent view, which corresponds to an actual width of about 230 light years.

This is a busy complex. IC 1848 is the open star cluster that occupies the right blue region in the image. Embedded in the left blue region are several smaller open clusters including IC 1871 and Collinder 34. The dramatic ridge of gases separating the two regions is LBN 673.

The stellar winds of the open star clusters in each region are carving out two huge evacuated lobes. This process leaves behind large pillars of eroded dust, all pointing inwards towards the star clusters in each lobe. These pillars are very dense and have stars forming at their tips. Each pillar spans about 10 light years. The pillars exist around half of the circumference of each lobe.

I sometimes think of space objects being two dimensional objects because that is all we can really see on these images, but it is interesting to imagine what these spherical lobes must look like in 3 dimensions. The blue regions in each lobe, combined with the wispy faint black nebulae in the lobe backgrounds, somehow convey a sense of vast emptyness and void to me. Or perhaps I have just been looking at it too long.

Narrowband imaging
Takahashi Refractors
Sharpless2 Objects
ASI 6200 MM Pro
The refractors!
Cloudy Nights
Texas Astronomy
Fine Art Astrophotography

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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
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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
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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
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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	4053265
PixInsight job	QGWWAMH01XT8OQDQH4A3P05DUB77HTGN
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	02h54m20s.441
RA (top/left)	03h02m25s.123
RA (top/right)	02h45m50s.131
RA (bottom/right)	02h46m36s.171
RA (bottom/left)	03h02m32s.570

Dec (center)	+60°23′58″.31
Dec (top/left)	+61°04′45″.40
Dec (top/right)	+60°59′38″.30
Dec (bottom/right)	+59°41′26″.36
Dec (bottom/left)	+59°46′21″.12

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IC 1848 - 2020

IC 1848 - 2020

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IC 1848 - 2020

IC 1848 - 2020

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