Wednesday, April 9, 2014

Observation Nine-Craters with a Telescope 10 Day Old Moon April 9, 2014


Billy

Billy is an ancient impact crater, 46 kilometres in diameter, with a rim rising to 1300 metres above its flat floor. The floor of Billy has been flooded by basaltic lava with a low albedo, meaning it leaves a dark surface.

10 Days old -- waxing gibbous
Davy
Pitatus
Billy
Fra Mauro
Clavius craterlets
Hippalus
Herschel, J.

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