NGC 6242 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Scorpius (Sco) · Contains: NGC 6242

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NGC 6242

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NGC 6242

This object is an open cluster located 3600 light years away in the southern constellation of Scorpius. The cluster is about 10 arc-minutes in diameter and officially consists of less stars than it appears, about 25 in total (the larger bright blue stars). It appears to be more stars than that because of the large number of smaller foreground and background stars. The bright 7th magnitude orange star (HD 152524) is not part of the cluster and is located much closer to us, at 2500 light years away.

There are many star patterns in the image which I find interesting. In particular, I like the tiny line of three blue stars located in front of HD 152524, as well as the set of 10 or so tiny colorful orange and blue stars located halfway between center of the image and the top of image.

Even though this object is far south for me at -40 degrees declination, I was very happy to be able to achieve fairly tight, round stars throughout the image.

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

Hidden Treasures Catalog (Complete*)
Open Clusters

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	Distinct awarded users	Total awarded images
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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.
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	2815104
PixInsight job	I8YN3R9IXNPZH9FESNS2G5WA9PFZFY0L
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	16h55m34s.445
RA (top/left)	16h56m35s.759
RA (top/right)	16h52m29s.285
RA (bottom/right)	16h54m32s.147
RA (bottom/left)	16h58m39s.770

Dec (center)	-39°28′39″.67
Dec (top/left)	-38°54′49″.47
Dec (top/right)	-39°26′32″.59
Dec (bottom/right)	-40°02′28″.11
Dec (bottom/left)	-39°30′27″.83

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NGC 6242

NGC 6242

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