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Mars Image 2023/04/17(UT)
井上 修,伊藤了史
Mark Lonsdale,Vincenzo della Vecchia,Vicent Gonzalez Cebria,Paul G. Abel
O.Inoue,M.Lonsdale,V.della Vecchia,S.Ito,V.Gonzalez,P.Abel
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解説（安達）/ Comment by Makoto Adachi
シーイングも悪かったですが、ベランダ上階庇によるケラレが酷くなってきました。これが今シーズン最後の報告になると思います。
≪大阪府 枚方市 井上 修≫[Osamu Inoue. Hirakata-shi,Osaka,Japan]
[Mark Lonsdale : [Canberra,Australia]
[Vincenzo della Vecchia : [Aversa,Italy]
≪愛知県 春日井市 伊藤了史≫[Satoshi Ito. Kasugai City,Aichi,Japan]
[Vicent Gonzalez Cebria:46600 Alzira(Valencia) Spain]
Seeing was very strange- at times really good (AUII) with very good definition, it would then suddenly drop off! Thankfully it was stable long enough to see some interesting details on the disk:
・The evening limb was very brilliant suggesting the presence of evening clouds.
・Hellas was on the evening limb and was also quite bright, particularly the section actually on the limb.
・Syrtis Major can be seen- it was not uniform and darker towards the northern part although the very northern tip appeared to be quite faint.
・Sinus Sabeus could be seen and the Deucalionis regio was separate. Noachis seemed to be brighter in sections. Darker patch near NOachis on the following limb.
・There may have been bright clouds along the equator (presumably the equatorial cloud band if present) but I am not certain of this.
・Boreosyrtis and Protonilus seen in the far north.
・The northern polar cap was quite brilliant.
By 2019UT the seeing broke down and didn't become stable again. Observations of Mars were concluded at this time.
[Paul G. Abel:Leicester:United Kingdom]
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