Sh2-294 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Monoceros (Mon) · Contains: Sh2-294

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Sh2-294

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Sh2-294

This image includes 2 reddish HII emission objects of different geometric shapes located in the southern constellation of Monoceros.

The bright circular patch is similar to the head of the nearby Seagull Nebula, but is much smaller at only 7 minutes across. Distance estimates of this object vary but most are around 5,000 light years away. One half of it is bisected by numerous dark dust lanes. The nebula is hiding a young double cluster of stars, which may be causing the bluish shade towards the center of the nebula.

More faint but more interesting, a vertical band of reddish emission is apparent to the right of the emission patch. I could find nothing in the literature which describes this emission.

Both nebulae are complemented by bright orange and blue Milky Way stars throughout the foreground.

The refractors!
Cloudy Nights
First on Astrobin
ZWO ASI1600MM/QHY163M
Sharpless2 Objects

Astrobin Debuts (670 DSOs)
HII-Dominated Nebulae
Sharpless Catalog (200/313)

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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.
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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	2513124
PixInsight job	BSK8HEPJYZGOVTUOI0A0OJAB8JVERT15
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	07h16m36s.925
RA (top/left)	07h17m04s.997
RA (top/right)	07h17m46s.309
RA (bottom/right)	07h16m08s.875
RA (bottom/left)	07h15m27s.392

Dec (center)	-09°21′01″.14
Dec (top/left)	-09°40′24″.93
Dec (top/right)	-09°09′33″.80
Dec (bottom/right)	-09°01′36″.94
Dec (bottom/left)	-09°32′27″.38

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