Sh2-301 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Canis Major (CMa) · Contains: Sh2-301

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Sh2-301

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Sh2-301

This object is an emission nebula located about 20,000 light years away in the constellation of Canis Major. It lies just east of the brightest star in the sky, Sirius. Not much has been written about this seldom imaged object, also know as Gum 5, and it only has a few Astrobin entries.

This nebula is a small but fairly bright object, 9 minutes in diameter. I like the intricate dark dust lanes and the small cloud pillars of the nebula .

Like most narrowband objects, hydrogen has the strongest presence in this nebula, followed by oxygen. This nebula resembles a teapot to me - note the stream of stars depicting the steam rising up and out of the teapot spout on the right. Also note the faint swirling extent of the nebula towards the bottom of the image.

Narrowband imaging
Sharpless2 Objects
The refractors!
Cloudy Nights
ZWO ASI1600MM/QHY163M

Emission (Full NB) Nebulae
Gum Catalog (47/85)
Orphaned Beauties Catalog (Complete)
Sharpless Catalog (200/313)

Please note: The following tables are updated every 24 hours.

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	1954687
PixInsight job	PMWW78BZFXIEUGBAK98VV3NSOSYMWM5T
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	07h09m49s.689
RA (top/left)	07h10m34s.380
RA (top/right)	07h10m43s.385
RA (bottom/right)	07h09m05s.149
RA (bottom/left)	07h08m55s.851

Dec (center)	-18°29′27″.78
Dec (top/left)	-18°45′25″.10
Dec (top/right)	-18°15′10″.34
Dec (bottom/right)	-18°13′29″.29
Dec (bottom/left)	-18°43′44″.14

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Sh2-301

Sh2-301

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Sh2-301

Sh2-301

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