Contains:  Solar system body or event

Image of the day 09/12/2020

    Mars 28th August & the Arsia Mons Elongated Cloud (AMEC), Niall MacNeill
      Mars 28th August & the Arsia Mons Elongated Cloud (AMEC), Niall MacNeill

      Mars 28th August & the Arsia Mons Elongated Cloud (AMEC)

      Acquisition type: Lucky imaging

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      Description

      This image was derived from a single RGB run an IR run each side. The seeing was great but fell away so rapidly, that I could only use this first run. Nevertheless the resolution is very good.

      Note the polar cap is offset from the rotational axis of the planet. This asymmetry is normal for the cap in the southern summer.

      I have had it confirmed to me by Richard McKim, the BAA Director for Mars, that the most likely explanation for the linear white feature over the southern most of the Tharsis shield volcanoes is that it is the Arsia Mons Elongated Cloud (AMEC). Use the mouse-over for a detailed image of the feature and to see the location on Mars.

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      • Final
        Mars 28th August & the Arsia Mons Elongated Cloud (AMEC), Niall MacNeill
        Original
        Mars 28th August & the Arsia Mons Elongated Cloud (AMEC), Niall MacNeill
        B

      B

      Description: An ESA image of Asia Mons Elongated Cloud (AMEC) demonstrates the feature close up and the location in the image is indicated.

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      Mars 28th August & the Arsia Mons Elongated Cloud (AMEC), Niall MacNeill