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Subject:M13
Author: Il-young, Seo
Scope: WilliamOptics FLT110 DDG(F7)
Autoguiding system:Orion starshoot autoguider on 70/900mm achro refractor
mount:ADT MorningCalm 200GE[MC200GE] (Astrodreamtech, korea)
CCD:SBIG ST2000XCM
Exposure time:-20C , 900s * 6 pic (M13,M16), 600s * 7 pic (M20)
Guide:ST2000XCM self-guider
Place & Seeing:Yangpyung, Korea
Date:2012-04-27
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