Takahashi TOA-130　Flatner F7.7 Bitran BT-218ME CCD camera
　R16x10min.　R5x5min. G3x5min. B6x5min.(RGB2x2)
IDAS LRVB filter　RRGB

NGC6523(M8, Lagoon Nebula in Sagttarius)
18h03m48s -24 23 00 Dim45'x30' TypeE BC1-5 Color2-4