The globular cluster M92 in Hercules.
This image is a stack of 16 one minute exposures for the luminance channel and
8 one minute exposures for each of the color channels.
The images were taken using an SBIG STL11000M CCD camera on a Tele Vue NP127is 5" f/5.2 refractor.
The telescope was auto-focused using the Tele Vue Focusmate.
The exposures were calibrated, defect-corrected, stacked and color combined using AIP4WIN V2.
This image has been resampled down from its original size of 4008x2672.
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