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Michael Scherman

M17 Swan-Omega Celestron C6 Hyperstar2

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Mars 8/11-8/12

Started by pkamm, 08/12/2003 02:09PM
Posted 08/12/2003 02:09PM Opening Post
Again very 'swimmy' seeing since the mini-front of clouds passed over 2 days ago. But patience and brief flashes of steadiness made some sketching possible. But the now-severe glare from the moon washed out some of the very low contrast surface coloring of the northern hemisphere.

I think I saw several clouds -- one on the far E limb in the first sketch is somewhat suspect as I am starting to see a *lot* of limb haze here and there all around the planet. The one indicated on the far SW limb of the second sketch was only visible to me in green light -- would that be surface fog? The elongated one to the NE of that (in Eridania) was visible in blue light. The two north of that, on the NE edge of Mare Cimmerium were visible in red light so I'm wondering of those are dust clouds.

Also the north polar cap is now visible, fairly obviously so, and while I tried to draw it in both sketches it doesn't seem to have scanned well in the first image. Also its size appears rather exaggerated in the second sketch. May need to touch these up a bit more.


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pkamm's attachment for post 8294