Descartes
Imaged 04-15-05 , 18 Inch Reflector , DMK-21F04 Camera
The Information Listed Below Is
Provided By Personal Authorization From Christian Legrand Of VMA,
Link
To Virtual Moon Atlas
Description:
Very damaged circular formation.
Steep slopes supporting Descartes E to the North and Descartes C
to the North-East.
Pretty high walls in terraces composed of several concentric rings
collapsed to the North and ridden by Descartes A to the South-West.
Few extensive and tormented floor. Crest and rille line.
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Size:
Dimension: 49x49Km / 29x29Mi
Height: ?
Height/Wide ratio: Unknown height. Impossible calculation.
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Observation:
Interest : Very interesting formation
Observation period: 6 days after New Moon or 5 days after Full Moon
Minimal Instrument: 50 mm refractor
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