M10

Working on autoguide and correctly balancing my eq6, I tried this globular cluster.
It is a median combine of only 3 single 300 seconds exposure, central crop of the frame:

(click to enlarge)

Technical data: GSO 10" RC f/8 (2000mm) on Eq6 + TDM / CCD Sx H694 + 1"1/4 semi APO filter + Sx AO-LF + Lodestar autoguided