出典:Wikipedia
出典:『Wikipedia』 (2011/05/28 22:43 UTC 版)
Collinder 69 (Lambda Orionis Association) is a star cluster located north-west of the star Betelgeuse in the constellation of Orion. Included within the cluster is a double star named Meissa. Along with the rest of Orion, it can only be viewed in the winter. This cluster is also only visible in the northern hemisphere.