M10 NGC 6254

Object Type Globular Cluster
Constellation Ophiuchius
Magnitude 6.6
Size 20.0' x 20.0'

M10 is a large and bright globular cluster in Ophiuchius, that is visible to the naked eye from a dark location. The outer regions are easily resolved in an 8" telescope.

Film Images

30 minutes exposure, Fuji Superia 400 film.
5" f/5 refractor, prime focus.

DSLR Images

Combination of 15, 120 second images. Modified Canon Digital Rebel DSLR camera.
5" f/5 refractor at prime focus.

CCD Images

Combination of 5, 3 minute exposures SBIG ST9E CCD.
10" f/6.3 schmidt-cassegrain at prime focus.

Combination of 10, 3 minute images. SBIG STL-1001E CCD.
20" f/6.8 cassegrain at prime focus.