Messier 67
Old open cluster in the constellation Cancer / From Wikipedia, the free encyclopedia
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Messier 67 (also known as M67 or NGC 2682) and sometimes called the King Cobra Cluster or the Golden Eye Cluster[5] is an open cluster in the southern, equatorial half of Cancer. It was discovered by Johann Gottfried Koehler in 1779. Estimates of its age range between 3.2 and 5 billion years. Distance estimates are likewise varied, but typically are 800–900 parsecs (2,600–2,900 ly).[1][2][3][4] Estimates of 855, 840, and 815 pc were established via binary star modelling and infrared color-magnitude diagram fitting.[2][3][4]
Quick Facts Observation data (J2000.0 epoch), Right ascension ...
Messier 67 | |
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Observation data (J2000.0 epoch) | |
Right ascension | 08h 51.3m |
Declination | +11° 49′ |
Distance | ~2.61–2.93 kly (800–900 pc[1][2][3][4]) |
Apparent magnitude (V) | 6.1 |
Apparent dimensions (V) | 30.0′ |
Physical characteristics | |
Radius | 10 ly[citation needed] |
Estimated age | 3.2 to 5 billion years |
Other designations | NGC 2682, Cr 204 |
Associations | |
Constellation | Cancer |
See also: Open cluster, List of open clusters |
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