Mario Brus
7/3/2011 6:42:22 PM A Study in Globulars - M13
Magnitude: 5.8 Distance from Earth: 25,100 ly Distance from Galactic center: 28,400 ly Constellation: Hercules Dimensions: 13 arc' visual; 20 arc' imaged Distinctives: One of the best known globulars; double central bar in X shape
Meade LX200GPS 14"; modified Canon 30D 30 sec X 13 lights; 20 darks; 20 flats; guided
|