Imaged 07-29-05 , 18 Inch Reflector , DMK-21F04 Camera
The Text Listed Below Is Provided
By Personal Authorization From Christian Legrand Of VMA,
To Virtual Moon Atlas
Isolated circular formation situated on the West bank of Mare Nubium.
Very steep and tormented slopes supporting the craterlets Bullialdus
L to the West Bullialdus E to the South-West and crater Bullialdus
A and B to the South.
Very high walls in terraces with sweeter slopes to the South-West.
Few extensive and flat floor with ruins to the South-West. Important
central mountain with several summits. Rays.
Dimension: 63x63Km / 37x37Mi
Height: 3510m / 10600ft
Height/Wide ratio: 0.0575
Interest : Exceptional formation
Observation period: 2 days after First Quarter or 1 day after Last
Minimal Instrument: 50 mm refractor