M47 (Gary Imm) - AstroBin

Celestial hemisphere: Southern · Constellation: Puppis (Pup) · Contains: M 47 · NGC 2422 · NGC 2423 · NGC 2425 · The star 140 Pup

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M47

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M47

This Messier open star cluster is located in the southern constellation of Puppis at a declination of -15 degrees. It is about 35 arc-minutes in diameter.

This cluster consists of about 50 stars, with a Trumpler designation is IV-2-p. It is one of the least densely populated Messier open clusters. Along with the typical bright blue stars, it contains a number of older red giants. The bright star just below center is the brilliant double star Sigma-1121. The doubles are only 7” apart, so identification is difficult but possible with close inspection.

As seen in the mouseover, NGC 2423 is slightly to the north and NGC 2425 is slightly to the south.

M47 lies about 1 degree west of M46, as shown in Revision B.

I am not a huge fan of imaging star clusters, but my original Messier star cluster images taken 7 years ago were lacking in color and contrast quality. This image is part of my effort this year to update and improve my Messier Collection.

Final
Original
B

B

Description: M46 & M47

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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	9054553
PixInsight job	9T502AFOV2DYDCRMJ6ECN03GH4XJ5F4N
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h36m38s.64
RA (top/left)	07h40m35s.20
RA (top/right)	07h32m52s.14
RA (bottom/right)	07h32m40s.54
RA (bottom/left)	07h40m26s.56

Dec (center)	-14°29′09″.8
Dec (top/left)	-13°41′58″.10
Dec (top/right)	-13°39′09″.9
Dec (bottom/right)	-15°16′06″.1
Dec (bottom/left)	-15°18′52″.1

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M47

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