May 19, 2011

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After And After; No Before

LPOD-May19-11.jpg

image by Antonio Lasala Garcia, Morata de Jalón (Zaragoza, Spain)

We have seen these two separately recently, but looking at them together invites comparisons of processes and modifications.
Ptolemaeus (on the left) and Albategnius are both large complex craters. With diameters of 158 and 131 km, they both should
have initially looked pretty similar to 131 km wide Chuck Wood

Technical Details
2011-05-10, 18h12m to 18h30m UT. Newtonian 254 mm + DMK 21au04.AS + R25 filter.

Related Links
Rükl plate 44

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