M107 NGC 6171
Object Type Globular Cluster
Constellation Ophiuchius
Magnitude 7.8
Size 13.0' x 13.0'

M107 is a moderately large and bright globular cluster in Ophiuchus. It is easily visible in binoculars, but could not be detected with the naked eye. In an 8" telescope, most of the cluster is resolved into stars, giving an excellent view.


Combination of 15, 1 minute exposures, SBIG ST9XE CCD camera.
300mm f/6 newtonian telescope at prime focus.
Taken under very poor observing conditions.


Combination of 5, 3 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.


Combination of 15, 1 minute exposures unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.