[Moon (Theophilus and C), Sunset on Sea of Nectar, Yerkes Observatory]

Stamped in black ink on top ridge of plate ' 79. Moon (Theophilus, andc). Yerkes Observatory'

Stamped in black ink on white paper at top of plate '79. Moon (Theophilus, andc). Yerkes Observatory'

Handwritten in black ink on white tape on the right side of the plate 'Deepest crater; 64m [m] dia

Ring 14000 to 18000 ft above

chasm

central

peak 5200 ft.

F 106

Handwritten in black ink on white tape at bottom of plate 'Sunset on Sea of

Nectar'

Handwritten in black ink on white tape on left side of plate 'S

W E

N

Sunset

Catharina

70m. long

Cyrrillus

wrecked walls

Theophilus

64m in diameter.'

[Keywords: Astronomy, Moon, Outer space, Astronomy--Observations, Astronomy--Study and Teaching, Craters, Catharina, Cyrillus, Theophilus, Lunar Mare, Nectaris, Sea of Nectar]