Imaged 09-14-06 , 18 Inch Reflector , Infinity 2-1M Camera
The Text Listed Below Is Provided
By Personal Authorization From Christian Legrand Of VMA,
To Virtual Moon Atlas
Circular formation situated between Alphonsus and Arzachel.
Steep slopes supporting the ghost crater Alpetragius X to the North-West.
and Alpetragius M and N to the South-East.
Very high walls in terraces.
Tormented floor little widened. Important central mountain.
Dimension: 41x41Km / 24x24Mi
Height: 3900m / 11800ft
Height/Wide ratio: 0.0975
Interest : Exceptional formation
Observation period: First Quarter or 6 days after Full Moon
Minimal Instrument: 50 mm refractor