Description: (Colombo)
Isolated circular formation situated on the West bank of Mare Fecunditatis.
Steep slopes to the South and overlapped by the large crater Colombo
A to the North-West by Colombo B to the South-West and by Colombo
M to the East.
Few high walls to the North but high and tormented to the South-East.
Flat floor. Small central mountain. Hills and craterlets.
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Size: (Colombo)
Dimension: 78x78Km / 46x46Mi
Height: 2400m / 7300ft
Height/Wide ratio: 0.0316
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Observation:
Interest : Very interesting formation
Observation period: 4 days after New Moon or 3 days after Full Moon
Minimal Instrument: 50 mm refractor
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