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Mars Image 2016/02/27(UT)
Clyde Foster
Clyde
解説（安達）
Clyde Foster氏の画像を見て、Hellasの中央が暗くなり、雲がHellasから
東の方に流れ出たことが分かる。Hellsaの内壁に沿って白雲が見ている。前日と
は大きく違った姿に変化した。Hellasの中央が暗くなって記録されたのは、画像
処理によってコントラストがついたせいがあるかもしれない。
（北極付近に広がった雲の様子が、前日の画像と比べると若干高い）
To see an image of Mr. Clyde Foster, the center of Hellas
darkens and understands that a cloud flowed out of Hellas toward
the east. White cloud looks along an inner wall of Hellsa. I
greatly changed in different figures the day before. The center
of Hellas becomes dark, and what was recorded may have result
with the contrast by image processing.
(the state of the cloud which opened near the North Pole is
slightly higher than an image of the day before)
（by １ observation ;reported by Makoto Adachi)
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The real advantage of the ASI1224MC colour camera really comes into its own during the rather poor weather conditions we are currently having(extending over the last week or so) in my area. Often there is only a window of a few minutes to capture one or two avis, before conditions cloud over or deteriorate(I had very heavy dew conditions this morning). Once we move into autumn and closer to opposition I am expecting(at least hoping) conditions will settle. I will then definitely consider some RGB imaging with the ASI174MM or ASI120MM.
Again, the image set from this morning is somewhat limited in fine detail. The brilliant white ice/cloud in or over the Hellas basin is again prominent and there is indication of some detail in the basin(well seen in the IR image). Maybe someone can comment on whether this is a raised strip of mountains on the floor of the basin? A further question: I am tending to interpret bright areas in the green channel as likely physical ice(either water or CO2) deposits on the surface, whereas the blue channel shows clouds(also either water or CO2). Is this correct?
[Clyde Foster:Centurion,South Africa]
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