NGC 6281 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Scorpius (Sco) · Contains: NGC 6281 · PK347+01.1 · Sh2-2

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NGC 6281

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NGC 6281

This object is an open star cluster located 1800 light years away in the constellation of Scorpius.

Scorpius contains many wonderful deep sky objects. Of these, this object is the brightest star cluster in the constellation with an apparent magnitude of 5.4. It was not included in the either the Messier or Caldwell catalogues. Despite being the forgotten cluster, I think it is a beautiful object. It contains 55 stars with an apparent magnitude greater than 13.5 within a 20 minute radius of the center.

The majority of the stars are bright blue, but there are a number of red giants sprinkled in for good measure. The cluster stands out well from the background. The stars form a number of arcs and loops. A number of double stars are seen throughout, and I really like the triple star seen lower left of center.

The refractors!
Cloudy Nights
ZWO ASI1600MM/QHY163M
Open Star Clusters

Hidden Treasures Catalog (Complete*)
Open Clusters

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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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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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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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Professional, scientific grade data
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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	2173328
PixInsight job	TS67K60NWTIS1OB8GSMM0WT16W9W6EZM
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	17h04m34s.998
RA (top/left)	17h06m45s.244
RA (top/right)	17h04m06s.155
RA (bottom/right)	17h02m25s.980
RA (bottom/left)	17h05m04s.184

Dec (center)	-37°56′18″.34
Dec (top/left)	-38°02′10″.67
Dec (top/right)	-37°30′33″.82
Dec (bottom/right)	-37°50′17″.60
Dec (bottom/left)	-38°22′02″.29

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NGC 6281

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NGC 6281

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