M53 and M100

M53. This globular cluster lies at a distance of about 60,000 light years in the constellation of Coma Berenices. Five minute sub-frames were captured with total exposure times of 30 minutes for red , green and blue filters .  An Atik 383L mono CCD camera was used with a ten inch f/4.8 reflector and PHD autoguiding:

M100. This spiral galaxy lies in the constellation of Coma Berenices at a distance of about 50 to 55 million light years . This image was taken using a ten inch f/4.8 reflector with PHD autoguiding and an Atik 383L mono CCD. Five minute sub-frames were captured making total exposure times of 30 minutes for each colour filter: