Photo Agency - Astronomy - Space - Nature

> Open clusters M6 and M7 in Scorpius

Open clusters M6 and M7 in Scorpius

author: J.Lodriguss/Novapix

reference: a-aou64-05002

Image Size 300 DPI: 15 * 24 cm

M6, the Butterfly Cluster, at upper right, is a wonderful open cluster, it can be seen about 4 degrees northwest of M7, with both clusters being located in Scorpius. M7, at bottom, consists of 80 stars brighter than magnitude 10 in a field of about 1.3 degrees apparent diameter. It was known to Ptolemy who mentioned it in 130 AD. Both clusters are visible with the unaided eye in a rich area of Milky Way located between Sagittarius and Scorpius.

Keywords for this photo:

1989 - ASTRONOMY - M6 - M7 - NGC 6405 - NGC 6475 - OPEN CLUSTER - SCORPIUS - STAR - STAR CLUSTER -