astroimages
Darin E. Fields' Astrophotography Pages
 

M53: Gloublar Cluster in Coma Berenices

Right Ascension 13 : 12.9 (h:m)
Declination +18 : 10 (deg:m)
Distance 59.7 (kly)
Visual Brightness 7.6 (mag)
Apparent Dimension 12.6 (arc min)
More information on M53

Exposure: 7 minutes (7 x 60 sec.)
Camera: ST-237 cooled @ -28c
Guiding: ST-4 on ST80 @ f/10
Telescope: 8" f/4 Newtonian
Mount: Losmandy G-11
Acquisition and Processing: Maxim/DL and Photoshop 6.0
Date: 5-18-02
m53-60-lum: