NGC 1502 - Jolly Roger Cluster (Monty Chandler)

Celestial hemisphere: Northern · Constellation: Camelopardalis (Cam) · Contains: HD24992 · HD25090 · HD25443 · HD25498 · HD25638 · NGC 1502

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NGC 1502 - Jolly Roger Cluster

Link: https://montychandler.smugmug.com/Astrophotography/The-Heavans/i-phZqLzq/A

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NGC 1502 - Jolly Roger Cluster

Link: https://montychandler.smugmug.com/Astrophotography/The-Heavans/i-phZqLzq/A

NGC 1502, The Jolly Roger Cluster, is a young open cluster of approximately 60 stars in the constellation Camelopardalis. It has a visual magnitude of 6.0 and thus is dimly visible to the naked eye in dark skies. This cluster is located at a distance of approximately 3,500 light years from the Sun, at the outer edge of the Cam OB1 association of co-moving stars, and is likely part of the Orion Arm.

The Trumpler class of NGC 1502 is II3p, indicating a poorly populated cluster of stars with a wide brightness range. The main sequence turnoff point is not well-defined, so the age estimates range from five to fifteen million years. It is heavily reddened due to interstellar dust.

The reason I chose to image the cluster in a fairly wide field of view (120/840mm) was to collect the core cluster amongst the backdrop of a less cluttered starfield. I found this better defines the cluster so it doesn't get lost among the stars. There is a visual double star and eleven variable stars with four candidate variables among the 60 cluster members. A small family of 60 young stars is easier to relate to burning brightly in our night sky for the entire existance of humans, and millions of years before.

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	Image of the day	Top pick	Top pick nominations	Total submitted
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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	7383473
PixInsight job	9G37V9FGU6E7ITBI5XTA6HJQOPETIS1W
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	04h07m50s.838
RA (top/left)	03h59m53s.638
RA (top/right)	04h10m36s.488
RA (bottom/right)	04h15m46s.967
RA (bottom/left)	04h04m54s.758

Dec (center)	+62°19′59″.23
Dec (top/left)	+62°20′35″.65
Dec (top/right)	+61°28′12″.50
Dec (bottom/right)	+62°17′44″.73
Dec (bottom/left)	+63°11′37″.10

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NGC 1502 - Jolly Roger Cluster

NGC 1502 - Jolly Roger Cluster

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NGC 1502 - Jolly Roger Cluster

NGC 1502 - Jolly Roger Cluster

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