A tight shot of the Double Cluster in Perseus.
DSI RC10C, fl 1867 mm @ f/7.3
FLI ML6303 camera guided by SBIG ST-i via the MMOAG
All unbinned for an image scale of 1 arcsec/pix
45 mins each of RGB
Captured with Maxim/DL, processed with CCDStack/PS CS5