M101 april 2008, 22 x 300 seconds

M101, total exposure 110 minutes at f6 on the Meade 12 inchClassic, AGII reducer, iso 1600, Hap mod 350d..

sky about 8, FWHM of 4.5 in 300 seconds at 1800mm, moon at 70 degrees for first hour, some LP, visual 5.5 mag
either needs a darker sky or many more hours..... easier to get the hours here..

Frames acquired, calibrated dark and flat, stacked, and pre-processed with Nebulosity, post processed with Photoshop CS3
guiding for all was with the piggybacked Meade 80mm and DSI Pro using PHD.

enjoy ...