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Mars Image 2018/06/11(UT)
Clyde Foster,Mark Lonsdale,Vlamir da Silva Junior,Paul Maxson
C.Foster,M.Lonsdale,V.da Silva Jr.,P.Maxson
解説（安達）/ Comment by Makoto Adachi
今日もSolis Lacusを中心とした地域の観測となった。前日に発生したSolis Lacusのダストストームは南方に拡散し、大きく発達する
様子は見られていない。その代り、ＳＰＣの北縁部に西向きの細いダストストームが見えてきた。それよりも東のＳＰＣは、ダスト
ストームが乗り上げ、黄色く変化している。一部は極点付近にまで達している様子が、画像からは分かる。
北半球のダストストームの西進は、方向が変わり南西方面に広がっているように見える。Mark Lonsdale氏の観測はMeridianiを
中心とした地域の観測だが、この地域は広くダストストームに覆われ、Sinus Sabaeusの西半分がすっかり覆われている様子を記録
している。
今回のダストストームの発生したMare Acidariumの北側はまだ晴れている様子が記録されている。
Today it also became observation of the area centered on Solis Lacus. The dust storm of Solis Lacus that occurred the previous day
spreads to the south,and it does not appear to develop greatly. Instead,a thin dust storm facing the west was visible at the northern edge
of SPC. More than that,the SPC in the east is dust storms riding up and turning yellow. From the image,it seems that the part reaches
near the extreme point.
The western movement of the dust storm in the northern hemisphere seems to change direction and spread to the southwest direction.
Mr. Mark Lonsdale's observation is a regional observation centered on Meridiani,but this region is covered in dust storms widely and
records how the western half of Sinus Sabaeus is completely covered.
The northern side of the Mare Acidarium where the dust storm occurred this time is still being recorded.
（by ２ observations ;reported by Makoto Adachi)
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A capture just before midnight last night,with ongoing poor (and frustrating!) seeing conditions.
However,I believe the image set nicely captures the current western extent of the dust storm.
I am considering planning my imaging to target this region over the next week in order to monitor the edge of the storm.
The dust appears to extend onto the SPC at upper left.
There are also a number of dust concentrations over Solis Lacus as well as one adjacent to the SPC.
Tharsis appears to remain reasonably clear at this point.
As always,hopeful for improved seeing in the coming days.
[Clyde Foster:Centurion,South Africa]
[Mark Lonsdale : [Canberra,Australia]
Olympus Mons is the dark spot to the northeast of the image,
very close to the limb (left and down).
[Vlamir da Silva Junior : Sao Paulo,Brazil]
[ Paul Maxson:Surprise,Arizona,United States]
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