NGC 663 Two Pane Mosaic (Sigga)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: 44 Cas · IC 166 · LDN 1332 · LDN 1334 · LDN 1337 · LDN 1338 · LDN 1339 · LDN 1341 · LDN 1343 · LDN 1345 · LDN 1346 · LDN 1347 · LDN 1348 · M 103 · NGC 581 · NGC 654 · NGC 659 · NGC 663 · The star 44Cas

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NGC 663 Two Pane Mosaic

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NGC 663 Two Pane Mosaic

NGC 663 (also known as Caldwell 10) is young open cluster of about 400 stars in the Cassiopeia constellation. It has an estimated 400 stars and spans about a quarter of a degree across the sky. It can reportedly be detected with the unaided eye, although a telescope is recommended for best viewing. The brightest members of the cluster can be viewed with binoculars. Although the listed visual magnitude is 7.1, several observers have reported higher estimates.

After adjusting for reddening due to interstellar dust, the distance modulus is estimated as 11.6 magnitudes. It is located about 2,100 parsecs distant with an estimated age of 20–25 million years.

The star cluster is assumed to form part of the stellar association Cassiopeia OB8, that is located in the Perseus arm of the Milky Way, along with the open clusters M103, NGC 654, NGC 659, and some supergiant stars scattered between them, all of them having similar ages and distances.

--Wikipedia

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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	4017376
PixInsight job	2WOM4VZO6971I5FF50O08GXUOAEHH75L
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h45m32s.35
RA (top/left)	02h02m21s.18
RA (top/right)	01h40m09s.94
RA (bottom/right)	01h30m05s.36
RA (bottom/left)	01h50m12s.73

Dec (center)	+61°15′47″.1
Dec (top/left)	+62°33′43″.9
Dec (top/right)	+63°33′04″.0
Dec (bottom/right)	+59°50′32″.1
Dec (bottom/left)	+58°57′56″.7

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NGC 663 Two Pane Mosaic

NGC 663 Two Pane Mosaic

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NGC 663 Two Pane Mosaic

NGC 663 Two Pane Mosaic

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