2025 Mars 0421
21 April 2025
(λ=073°Ls,  δ=7.1=7.0")

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AKUTSU, Tomio
21 April 2025 (λ=073°Ls , ι=37°)
10:50 GMT (ω=324°W, φ=14°N )

36cm SCT, ×3 Barlow
ASI 224MC, IR/UV Cut filter
&
45cm Newtonian (F/4), ×5 Barlow,
Mars-M, B filter
Cebu island, The PHILIPPINES


FOSTER, Clyde
21 April 2025 (λ=073°Ls , ι=37°)
17:18~17:55 GMT (ω=059~068°W, φ=14°N )

36cm SCT
Mars MII, ×2 Barlow
Astronomik RGB IIc filterset
Baader R610 LongPass filter
Khomas, NAMIBIA


WALKER, Gary
21 April< 2025 (λ=073°Ls , ι=37°)
23:56 GMT (ω=155°W, φ=14°N )

25cm Mak-Cassegrain
QHY 5III-200M
Astronimik Type2c RGB filters
Macon, GA, the USA


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