M13

M13 is arguably the best and most well known globular cluster in the northern hemisphere, visible to the naked eye from dark sites and located in the constellation of Hercules. This shot was taken with the Starlight Xpress H36 camera on the 10" Newtonian at f/4 using a custom spacer and the MPCC coma corrector.

Please use the links to scan the larger versions of this image. This image is only 33 percent of full sized.

Image info:

10" Homebuilt Newtonian

Starlight Express SXV-H36 monochrome ccd camera

40x2

f/4 MPCC

stacked and flattened in Maxim and tweaked in PS

Guided with SX guide head in the Sky90

6.7.08

Forever Florida, FL