M7 - Ptolemy's Cluster (Tim Hutchison)

Celestial hemisphere: Southern · Constellation: Scorpius (Sco) · Contains: B287 · M 7 · NGC 6453 · NGC 6475 · PK355-04.1 · PK355-04.2 · PK356-04.1 · Ptolemy cluster · Ptolemy's Cluster

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M7 - Ptolemy's Cluster

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M7 - Ptolemy's Cluster

Known since antiquity, Messier 7 was first recorded by the Greek astronomer and mathematician Ptolemy in the 2nd century and carries the nickname Ptolemy’s Cluster today. It is located near the “stinger” of the constellation of Scorpius and can be observed with the naked eye, although that is more easily done in the Southern Hemisphere as it never rises very high in the Northern Hemisphere. The stars in M7 were all formed at nearly the same time and from the same cosmic cloud approximately 220 million years ago and are located around 980 light years from Earth.

I tried to control my natural desire to over saturate this image. The beauty of the star field is, I think, in the natural color of the stars. I hope that you all agree.

C and C always welcome.

Tim.

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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.

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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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Status	Advanced success
Started	...
Astrometry.net job	4235444
PixInsight job	9ZCQ6V0IFZ635QZT5X7FZVNCOHUT73HL
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	17h53m55s.40
RA (top/left)	17h50m15s.19
RA (top/right)	17h57m03s.67
RA (bottom/right)	17h57m32s.27
RA (bottom/left)	17h50m49s.15

Dec (center)	-34°48′00″.6
Dec (top/left)	-35°16′57″.4
Dec (top/right)	-35°25′04″.5
Dec (bottom/right)	-34°18′40″.1
Dec (bottom/left)	-34°10′38″.5

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M7 - Ptolemy's Cluster

M7 - Ptolemy's Cluster

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M7 - Ptolemy's Cluster

M7 - Ptolemy's Cluster

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