2019-08-10

Lunar Detail at First Quarter



A detailed portion of the Moon featuring Mare Serinatis, Menelaus Crater (mid-frame, near the top), the Caucasus Mountains (lower mid-frame, lower right of the mare), part of the Apennine Mountains (upper right of the mare, fading into the terminator), the break into Mare Imbrium with Autolycus Crater, Aristillus Crater, and the solitary Pico Mountain just showing on the terminator, part of Lacus Sominorum (in the bottom left corner), Eudoxus Crater (bottom, left of centre), and part of Posidonius Crater (on the left edge of the photo, just below centre).



A detailed portion of the Moon featuring a heavily cratered area along the terminator. Craters include Werner (on the terminator one-third of the way up from the bottom), Aliacensis (immediately above and just in from the terminator), Stofler (one-quarter down the terminator from the top, with a flat bottom and smaller crater damage on its rim at 10:00), and, just in from Stofler, Maurolycus (over two smaller craters).

These are telescope views, inverted, taken on August 7th with my Olympus Pen-F at ISO 200 and 1/25 sec. on my Dynamax 8, 2110mm 1:10, telescope at f/10 and 20mm eyepiece projection.

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