M7 - Ptolemy Cluster (Kurt Zeppetello)

Celestial hemisphere: Southern · Constellation: Scorpius (Sco) · Contains: B283 · B287 · M 7 · NGC 6444 · NGC 6453 · NGC 6475 · PK355-03.2 · PK355-03.3 · PK355-03.4 · PK355-04.1 · PK355-04.2 · PK356-03.1 · PK356-03.3 · PK356-04.1 · PK356-04.2 · Ptolemy cluster

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M7 - Ptolemy Cluster

Link: http://kurt-zeppetello.blogspot.com/

Powered byPixInsight

M7 - Ptolemy Cluster

Link: http://kurt-zeppetello.blogspot.com/

M7 (a.k.a. Ptolomy Cluster or NGC 6475) is an open cluster in the constellation of Scorpius. I am really liking these summer open clusters as there is a tremendous amount of gas and dust associated with them since they are in the direction of the center of the galaxy. The cluster is estimated at a distance of 980 light-years and is 25 light years across. M7 is detectable with the naked eye and I was actually able to see it along with M6. Also visible in this image is a small globular cluster, NGC 6453, located to the right of M6 (source: wikipedia).

I am definitely seeing the end of the light as I have only 15 more objects Messier objects left to image for my own complete catalog.

https://kurtzeppetello.smugmug.com/

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Status	Advanced success
Started	...
Astrometry.net job	1645154
PixInsight job	9YES4P69GUTA66EKYKQZBXWAHG78C9AD
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	17h53m37s.12
RA (top/left)	17h59m50s.32
RA (top/right)	17h48m07s.56
RA (bottom/right)	17h47m18s.70
RA (bottom/left)	17h59m14s.50

Dec (center)	-34°43′17″.4
Dec (top/left)	-34°00′07″.7
Dec (top/right)	-33°46′53″.4
Dec (bottom/right)	-35°25′25″.3
Dec (bottom/left)	-35°39′00″.7

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M7 - Ptolemy Cluster

M7 - Ptolemy Cluster

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M7 - Ptolemy Cluster

M7 - Ptolemy Cluster

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