火星 ALPO-Japan Latest
Mars Image 2024/05/21(UT)
井上 修,安達 誠
Clyde Foster,Andy Casely
C.Foster,O.Inoue,M.Adachi,A.Casely
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解説（安達）/ Comment by Makoto Adachi
Due to time limitations today I limited the session to IR captures. Seeing had also deteriorated from the earlier Saturn session,possibly due to a pre-dawn breeze that had developed. M Sirenum is the most prominent feature above centre.
[Clyde Foster : Khomas,Namibia]
一応晴れでしたが、火星方向は薄もやのようなものがかかり、Gainを上げての撮影となりました。
≪大阪府 枚方市 井上 修≫[Osamu Inoue. Hirakata-shi,Osaka,Japan]
シーイングは中程度だったが、南極冠は常に見えていた。向きが悪く、地球からは見えにくいが、まだ十分に見えている。
Meridiani (0W,-5)が中央下に見えるはずだったが、何度見ても暗斑としては見えなかった。
時々、MeridianiからMargaritifer Sinus (23W;-10)との間がほんのりと明るく見えた。
この様子から、この付近をダストが覆っているように思う。ただ、視直径は小さく見え方は微妙だった。
Seeing was moderate,but the SPC was always visible. It was difficult to see from Earth due to poor orientation,but still quite visible.
Meridiani (0W,-5) should have been visible below center,but no matter how many times I looked,I could not see it as a dark spot. At times,the area between Meridiani and Margaritifer Sinus
(23W;-10) looked slightly bright. From this,I thought that this area was covered with dust.
However,the apparent diameter was small,so visibility was unclear.
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≪滋賀県 大津市 安達 誠≫[Makoto Adachi:Siga Japan]
Mars was perhaps a bit disappointing, with poor green and blue data, but some nice features showing up in the sharpened red and IR, given how small it is at 4.9". At sunrise, Mars is now about as high as it will appear during this apparition from our latitude - it will get a little lower for the rest of 2024 even as it moves further from the Sun.
[Andy Casely,Sydney,Australiaa]
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