m101 the Pinwheel galaxy (reprocess)

m101 the Pinwheel galaxy with companion galaxies NGC 5474 (dwarf galaxy) lower right to m 101 and NGC 5422 upper left (galaxy)
Constellation: Ursa Major
~24 million light years distant
Taken May 20 and 21, 2011
Ocala, FL
3 min exposures stacked in DSS for a total of 2 hours 33 min
PS CS5
Orion 80mm EON
Orion 80mm guide scope with SSAG
Canon T1i (Hap Griffin modified)
CG-5 mount (HyperTuned)
Atronomik CLS light pollution filter clip for Canon EOS