Globular Cluster Messier 12 (M12 or NGC 6218)
Taken by Tom Wildoner on July 23, 2025 @
Weatherly, PA, USA
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: 2025:08:02 09:57:37
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Details:
Messier 12 (M12 or NGC 6218 in the New General Catalog) is a globular cluster in the constellation Ophiuchus. It is also referred to as the “Gumball Globular”. It was discovered in 1764 by the French astronomer Charles Messier who described it as a “nebula without stars”. M12 is approximately 15,700 light-years distant. You will definitely need binoculars or a small telescope to see this cluster. This cluster contains about 200,000 stars, the brightest of them are about 12th magnitude.
Observation data (J2000 epoch)
Class: IX
Constellation: Ophiuchus
Right ascension: 16h 47m 14.18s
Declination: –01° 56′ 54.7″
Distance: 16.44 ± 0.16 kly
Apparent magnitude (V): 6.7
Apparent dimensions (V): 16′.0
Tech Specs: Meade 12” LX-90 SCT Telescope, Antares Focal Reducer, ZWO ASI2600MC camera running at 0F, 40 x 60 seconds, Celestron CGX-L pier mounted, ZWO EAF and ASIAir Pro, processed in DSS and PixInsight. Image Date: July 23, 2025. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
Photographer's website:
https://thedarksideobservatory.com
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