Imaged 11-05-04 , 18 Inch Reflector , DMK-21F04 Camera
The Text Listed Below Is Provided
By Personal Authorization From Christian Legrand Of VMA,
To Virtual Moon Atlas
Damaged circular formation.
Steep slopes riddled supporting crater Blancanus to the South-West.
Very high walls ridden by Porter to the North-East Rutherford to
the South-East Clavius K to the South-West and Clavius L to the
Large flat floor with Clavius D C N J & JA on an arc of circle.
Numerous craterlets whose a chain to the South-West. Lines of crests.
Dimension: 231x231Km / 136x136Mi
Height/Wide ratio: 0.0204
Interest : Exceptional formation
Observation period: 1 day after First Quarter or Last Quarter
Minimal Instrument: 10x binoculars