On January 24 2018 17:55 UT i imaged Ptolemaeus, Alphonsus and Arzachel under very oblique solar illumination using a Mak Cassegrain 18 cm, lumenera LU075M CCD camera. Image taken by Rome Italy. Note the first solar illumination of the Arzachel central peak as a large white patch and the long shadow cast by Alphonsus central peak. Despite the turbolence and the faint seeing many craterlets on the Ptolemaeus floor are detecable.
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