June 18, 2021
The Far East
Originally published October 30, 2011
image by Jocelyn Sérot, France
Six maria in one view. Is there anywhere else on the Moon where an image of this scale can show so many? Of course, Spumans and Undarum hardly count for they are so small and don't fill impact basins, as most maria in good standing do. The German Moon-mapper Julius Franz named these two patches of dark lava in the early 20th century during his study of the lunar limbs. But somehow Franz did not name the similar isolated sea between Marginus and Crisium, which I follow Ewen Whitaker in calling Lacus Risus Felis- the Cat's Smile. And just visible as delicate wisps is the Margins Swirl - L100, which is antipodal to the Orientale Basin.
Chuck Wood
Technical Details
Oct 5, 2011, 19h45 UT. T200 Newton, Barlow 2x, R filter, DMK 31. Registax 6 processing.
Related Links
Rükl plate 38
A larger, unannotated view.
A different perspective.
Yesterday's LPOD: How Tall?
Tomorrow's LPOD: A Planetary Loss
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