M68 NGC 4590

Object Type Globular Cluster
Constellation Hydra
Magnitude 7.3
Size 11.0' x 11.0'

M68 is a rather small, but moderately bright globular cluster in Hydra. Being very compact, only a hint of resolution is visible in an 8" telescope.

45 minutes exposure, Kodak Ektachrome 200 slide film.
5" f/5 refractor, prime focus.

311 second image. Modified Canon Digital Rebel DSLR camera.
5" f/5 refractor at prime focus.

Combination of 30, 60 second exposures.
SBIG STL-1001E CCD. 20" f/6.8 cassegrain telescope at prime focus.