Takahashi FSQ-106　Bitran BJ-42L CCD camera
　R19x10min. G3x5min. B3x5min.(GB2x2)
IDAS LRGB Type4 filter　RRGB

NGC6888(Crescent Nebula in Cygnus)
20h12m00.0s +38 21 00 Dim18'x13' TypeE BC1-5 Color3-4