Takahashi TOA-130 Bitran BT218ME CCD camera
R11x10min. G2x5min. B4x5min. GB(2x2)
IDAS LRVB filter RRGB
NGC6618 "M17 Omega Nebula"in Sagittarius
18h20m48.0 -16 11 00 Dim 20'x15' TypeE BC1-5 Color3-4