Hi Guys
M51 Whirlpool Galaxy LRGB 50:25:25:25 mins L bin1 RGB bin2, all 5 min sub exposures.
Taken on GRAS G5. Tak Epsilon 250 10" OTA at f3.4, PME and ST10XME (cropped).
http://fredsastro.googlepages.com/home
A striking Galaxy that is very photogenic, a pleasure to image.