Melotte 186

Melotte 186
Simulated image of Melotte 186
Observation data (J2000.0 epoch)
Right ascension18h 01m 06.0s[1]
Declination+02° 54′ 00″[1]
Distance652 ly (200 pc)
Apparent magnitude (V)3.0
Apparent dimensions (V)240'
Physical characteristics
Estimated age100 million years [2]
Other designationsMel 186, Cr 359
Associations
ConstellationOphiuchus
See also: Open cluster, List of open clusters

Melotte 186 (also known as Collinder 359) is a large, loosely bound open cluster located in the constellation Ophiuchus. It has an apparent magnitude of 3.0[1] and an approximate size of 240 arc-minutes.

  1. ^ a b c "Cl Melotte 186". sim-id. Retrieved 2020-07-13.
  2. ^ Lodieu, N. (December 2005). "A study of the young open cluster Collinder 359". Astronomische Nachrichten. 326 (10): 1001–1006. Bibcode:2005AN....326.1001L. doi:10.1002/asna.200510436. ISSN 0004-6337.