Darin E. Fields' Astrophotography Pages

M10: Globular Cluster in Ophiuchus

Right Ascension 16 : 57.1 (h:m)
Declination -04 : 06 (deg:m)
Distance 14.4 (kly)
Visual Brightness 6.6 (mag)
Apparent Dimension 15.1 (arc min)
More information on M10

Exposure: LRGB exposure: L=10 minutes (10x60 sec.), R=15 minutes (5x180 sec.), G=15 minutes (5x180 sec.), B=15 minutes (5x180 sec.).
Camera: ST-237 cooled @ -28c
Guiding: ST-4 on ST-80 @ f/10
Telescope: 8" f/4 Newtonian
Mount: Losmandy G-11
Acquisition and Processing: Maxim/DL and Photoshop 6.0