M20 삼열성운

by 서일영 posted Apr 28, 2012

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date : 2012-04-27

site : korea, 양평

telescope : williamOptics FLT110 (F7)

mount : ADT MorningCalm 200GE

CCD : SBIG ST2000XCM

guide : ST2000XCM self-guide

exposure : -20C, 600s * 7

M20(2_remove_noise).jpg

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