GSO 305 mm - Canon Rebel XT - ISO 400 - 38 min - 19 x 120 sec - OAG - ASI120MC - Coma Cor.
large scale:
http://cdn.astrobin.com/images/40dda...6446466_hd.jpg
It was my DSO number 100. There are some others, 3 or 5, but they are as galaxies cluster, difficult to separate.
This photo has a better separation of blue, white and yellow-red stars. It is not perfect yet, but I will get this goal
