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Takahashi FSQ-106　Bitran BJ-42L CCD camera
　R10x10min.　G2x5min. B2x5min.(GB2x2)
IDAS LRGB Type4 filter　RRGB

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