M13 by Don McCrady Via Flickr: M13, the Great Hercules globular cluster, taken through the SVS130 and STL-4020M. 3 hours total exposure, 1 hour per red, green, blue filter. Processed in Maxim/DL and Photoship CC. Final image upsampled 2x.
M3 by Don McCrady Via Flickr: M3 is a fine globular cluster in the constellation Canes Venatici. It is approximately 40 thousand light years distant from us, and like all globular clusters contains many elderly red stars.
This is 40 minutes each of red, green, and blue through a Stellarvue SVS130 and SBIG STL-4020M. Processed in MaximDL, PixInsight, and Photoshop. The final image was upsampled 2x.