A pair of open star clusters in the constellation Perseus. NGC 869 on the right and NGC 884 on the left.

Info: http://en.wikipedia.org/wiki/Double_Cluster

Taken with a Takahashi TOA130NFB @ F/5.7 with TOA Reducer and QSI 583wsg with Astrodon Gen 2 E series filters.
Image scale of 1.4 arcsec/pixel.
Guided with a SBIG STi on a MiniBorg 50.
AP1200 GTO Mount
Exposure time: LRGB: 105:90:90:90:90 mins with 300 secs subexposures.
Softwares: CCDAutopilot,Sky6 Pro,MaxIM DL,Focusmax, CCDNavigator, CCDStack and Photoshop CS2
Taken on October 8, 10, and 12,2012 in Jackson, Ohio