M97 Owl nebula

00/03/08, 1:16(JST)
C9 1/4EX, Celestron 6.3 reducer, ST-8, CFW-8A
L=30min+34min, R, G, B=8, 11, 11min(2 binning), CCD temp=-20C
L; Edmund IR block, RGB; SBIG IR block coating filters