20 December 2017
(λ=103~104°Ls,  δ=4.6")

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KUMAMORI, Teruaki
20 December (λ=104°Ls , ι=28°)
21:43 GMT (ω=301°W, φ=18°N )
36cm SCT, @ f/40
ASI 290MM
Xagyl R filter
Osaka, JAPAN

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