Open Cluster - Messier 52 (Tom Wildoner)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD220770 · M 52 · NGC 7654

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Open Cluster - Messier 52

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Open Cluster - Messier 52

Messier 52 or M52, also known as NGC 7654, is an open cluster of stars in the constellation of Cassiopeia. Messier 52 can easily be seen with binoculars. In 10×50 binoculars, it appears as a hazy, nebulous patch of light. 4-inch telescopes reveal a dense, compressed star cluster populated by many faint stars, with a shape resembling that of the letter V. More stars are visible in 6-inch and larger instruments. The cluster occupies an area just less than half of the size of the full Moon.

Observation data (J2000 epoch)
Constellation: Cassiopeia
Right ascension: 23h 24m 48.0s
Declination: +61° 35′ 36″
Distance: 4.6 kly
Apparent magnitude (V): 7.3
Apparent dimensions (V): 13.0′

Tech Specs: Orion 8" f/8 Ritchey-Chretien Astrograph Telescope, Celestron CGEM-DX pier mounted, ZWO ASI290MC and ASI071MC-Pro, ZWO AAPlus, ZWO EAF, 54 x 60 seconds at 0C plus darks and flats, processed using DSS. Image Date: September 1, 2022. Location: The Dark Side Observatory, Weatherly, PA, USA (Bortle Class 4).

Messier Objects
Open Star Clusters

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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.
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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	6565227
PixInsight job	UJPU8MPWLT000R1DNMLVXT4I3ASNE6HG
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h24m33s.738
RA (top/left)	23h20m52s.422
RA (top/right)	23h27m51s.447
RA (bottom/right)	23h28m18s.845
RA (bottom/left)	23h21m11s.914

Dec (center)	+61°35′05″.69
Dec (top/left)	+61°20′18″.27
Dec (top/right)	+61°16′05″.40
Dec (bottom/right)	+61°49′31″.52
Dec (bottom/left)	+61°53′46″.86

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Open Cluster - Messier 52

Open Cluster - Messier 52

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Open Cluster - Messier 52

Open Cluster - Messier 52

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