M10 NGC 6254
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Object Type
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Globular Cluster
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Constellation
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Ophiuchius
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Magnitude
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6.6
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Size
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20.0' x 20.0'
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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.