Rosetta Nebula Pentax SDUF II - 100mm f/4 ccd Sbig ST-10XME Location: Colma di Sormano, Italy - February 14, 2004 L(R) - RGB 100 min. L(R)=10x5 min binned 1x1 R=10x5 min binned 1x1 (same as L channel) G=5x5 min binned 2x2 B=5x5 min binned 2x2
