M51
촬영일시: 2005년 4월 1일 오후 11시00분(PST)
촬영장소: Caspers Wilderness Park, Southern California
장비: 9.25inch SCT F6.3 reduced
        SBIG2000XM cooled CCD (섭씨 영하 15도 냉각)
노출: R/G/B 300sec X 3frames each,
        L 400sec X 3fraems self-guided
: Luminance(Panchromatic) is taken with high sptial resolution
  of 1600X1200 & RGBs are taken with low resolution high sensitivity
  of 800X600 >> L and RGB were fused with multispectral fusion.