Horsehead Nebula (IC 434 and NGC 2023) Takahashi 5" FS 128 Refractor on Mountain Instruments MI-250 SBIG ST-7E L(using Red filter) = 6x10min, R=G=1x10min, B=1x16min (color binned 2x2) Taken at ARGO, OR October 14, 2001