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Mike JW

Volcanic Domes - Arago and Cauchy Area

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All to often I get carried away with the wow of lunar craters near the terminator and forget to chase down other lunar features. It is always a nice moment when I see a feature and think, what's that, its not a crater and then the light bulb moment hits - a volcanic dome. They are easily missed and disappear once the lunar sun gets any distance above the horizon.



Two main domes and two smaller ones observed in a line (actually photos show more, I have observed 3 since I did this sketch). Superb wrinkle ridges in the area.



Cauchy Area 

One very prominent volcanic dome and a second one which is more difficult to spot. Very obvious wrinkle ridge and a few scattered ones



Arago from a few years ago - a very early sketch. I gave it the title of a very scary crater because of its shadow at the time








Edited by Mike JW
Added more sketches, factual mistake
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Brilliant ridges Mike. Not easy to get such thin definition. (I've not noticed volcanic domes before. Another something new for me to try and find).


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Hi Martin,

My quality STF 7" Mak is often better at picking up fine detail than a bigger scope. Mike

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Those are wonderful and very subtle too. Thanks!

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