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Mars Image 2020/04/04(UT)
Zsolt Kereszty,Niall MacNeill,Damian Peach
Z.Kereszty,N.MacNeill,D.Peach
解説（安達）/ Comment by Makoto Adachi
Niall MacNeill氏はタルシス(Tharsis;80W~120W,+10)の山岳雲を記録した。アルシアシルバ(Arsia Silva Mons;W120,-3)が一番よく
目立っている。この経度ではオリンピア山(Olympus Mons;135W,+25)には、まだ白雲は出ていない。
MR. Niall MacNeill recorded a mountain cloud of Tharsis ( 80W ~ 120W,+ 10). Arsia Silva Mons (W120,-3) is most prominent.
At this longitude,no white clouds have yet appeared on the Olympus Mons (135W,+25).
（by 2 observations; reported by Makoto Adachi)
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[Zsolt Kereszty : Corona Borealis Observatory,Hungary,Gyor]
The central region is that of the shield volcanoes.
Orographic clouds can be clearly discerned around the 3 shield volcanoes of the Tharsis Montes
and are particularly thick around Arsia Mons to the South.
They extend towards the terminator. Olympus Mons is just on the f side of the Central Meridian.
To the South of Arsia Mons is the Daedalia Planum,which has two bright red-brown patches.
These are possibly localised dust storms.
[Niall MacNeill : Wattle Flat,NSW,Australia]
Poor to fair seeing on the 4th. Meridiani and surroundings are well seen.
No obvious dust activity despite the regional storm over this area fairly recently.
[Damian Peach: Loudwater,Buckinghamshire,United Kingdom]
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