Object Type | Open Cluster |
Constellation | Gemini |
Magnitude | 6.7 |
Size | 6.0' x 6.0' |
Number 69 in the Herschel 400 list is NGC 2129, is a bright, though fairly small and compact cluster of stars in Gemini, surrounding a 7th magnitude star. At a distance of over 1400 lightyears, this star, the B-type supergiant SAO 77842, is most likely a member of the cluster.