Messier 12 (NGC 6218) (Jim Fordice)

Celestial hemisphere: Southern · Constellation: Ophiuchus (Oph) · Contains: HD151392 · HD151526 · M 12 · NGC 6218 · PGC 1101748 · PGC 1101781 · PGC 1103219 · PGC 1103420

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Messier 12 (NGC 6218)

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Messier 12 (NGC 6218)

I observed this object on 16 September 2015 at the Okie-Tex Star Party using a 12” Skywatcher Dobsonian: “Large, bright, irregular globular cluster. Brightens substantially towards the core. Class IX. Distance estimate is 20,000 LY. Star hopped from Marfik. Located with finderscope.”

I observed this object on 8 September 2023 at the Okie-Tex Star Party using a 22” Obsession UC Dobsonian: M12 is large, irregularly shaped, and uniformly bright across most of the cluster. Some stars resolved. It does not have a dense core. No colors noted.

I obtained the calibrated lights frames used to create the final image from Telescope Live. The frames were imaged by the CHI-1-CMOS Telescope at the El Sauce Observatory in Chile.

Note: Close to M10. 75 LY in diameter.

Shapley Sawyer Classification: IX
Distance: 16,440 LY
Type: Hub Globular
Position w.r.t. core of galaxy: Above the disc of the MW about halfway to the core.
Any stars resolved: No
Undergoing Core Collapse: No

Created with SkySafari 6 Pro.

Globular Star Clusters

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Status	Advanced success
Started	...
Astrometry.net job	7768156
PixInsight job	DUHSALCZZE6Z9JJCCV9Q51EGRFJC4Z6F
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	16h47m13s.880
RA (top/left)	16h46m15s.397
RA (top/right)	16h48m17s.939
RA (bottom/right)	16h48m12s.800
RA (bottom/left)	16h46m09s.589

Dec (center)	-01°56′56″.84
Dec (top/left)	-02°08′14″.20
Dec (top/right)	-02°06′02″.38
Dec (bottom/right)	-01°45′39″.83
Dec (bottom/left)	-01°47′51″.61

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Messier 12 (NGC 6218)

Messier 12 (NGC 6218)

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Messier 12 (NGC 6218)

Messier 12 (NGC 6218)

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