Messier 62

Observation Notes:

M62 was in horrible light pollution. It showed granularity without too much trouble. The core was strongly condensed and seemed to rest toward the south end of the cluster rather than centered. After a bit of research, it turns out that M62 is noted for an off-center core that rests to the southeast.


M62 is noted for its highly irregular shape. It is surmised that this is due to tidal forces caused by its close proximity to the galactic center, at 6100 light years. M62 lies 22,500 light years away and its diameter of 15' corresponds to 100 light years across. Its core is extremely dense, and it may have undergone a core collapse.

M62 was discovered by Charles Messier in 1771, but he didn't catalog it until 1779 when he accurately measured its position. It was first resolved into stars by William Herschel.

SubjectM62 (NGC 6266)
ClassificationGlobular Cluster (Class IV)
Position*Ophiuchus [RA: 17:01:12 / Dec: -30:07:00]
Date/TimeOctober 2, 2005 - 7:35 PM
(October 3, 2005 - 02:35 UT)
Observing Loc.Flagstaff, AZ - Home
InstrumentOrion SVP 6LT Reflector (150 mm dia./1200 mm F/L)
Eyepieces/Mag.10 mm (120X)
ConditionsClear, breezy
TransparencyMag 4.3 NELM (based on Nu-Serpentis)

*Based on published data.

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About this Entry

This page contains a single entry by Jeremy Perez published on October 2, 2005 7:35 PM.

NGC 2392 - Eskimo Nebula/Clown Nebula was the previous entry in this blog.

Messier 19 is the next entry in this blog.

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