Nicolai-Spallanzani Imaged 09-01-07
, 18 Inch Reflector , Infinity 2-1M Camera
The Information Listed Below Is
Provided By Personal Authorization From Christian Legrand Of VMA,
To Virtual Moon Atlas
Isolated circular formation.
Few steep slopes supporting a crater to the South a crater with
horse-shoe shape to the South-East and two craterlets to the North.
Few high walls.
Flat floor filled with lava with a craterlet to the North.
Dimension: 43x43Km / 25x25Mi
Height: 1800m / 5500ft
Height/Wide ratio: 0.0429
Interest : Pretty interesting formation
Observation period: 5 days after New Moon or 4 days after Full Moon
Minimal Instrument: 50 mm refractor