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M20 & M21

weestar 2018.05.25 13:00 read.108

20180523 m20.jpg


M20&M21
2018.05.23, 고산무궁화천문대
Borg100ED, 0.85X Reducer
Arc7Prototype
60mm Guide telescope
ASI071MC, 600s * 3Frames, 1200s * 5Frames
Software : PSCS5, MaximDL