M21
NGC 6531
Type:
Open Cluster
Constellation:
Sagittarius
Magnitude:
7.0
Size:
13.0'
RA-Dec:
18h 4.6m - -22 30
Difficulty:
?
E=easy, T=tough, C=challenging
Description:
Marathon #:
Time:
Seen:
£
Date:
Eyepiece:
Notes: