Sinus Iridum Imaged 09-14-06
, 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
Very large crater shaped formation of 237 000 km2.
Steep slopes constituted by North slopes of Montes Jura.
Walls constituted by Montes Jura gobbled to the South in the lava
of Mare Imbrium.
Flat floor filled with lava and situated 600 m lower than Mare Imbrium.
Dimension: 411x411Km / 242x157Mi
Height/Wide ratio: Unknown height. Impossible calculation.
Interest : Exceptional formation
Observation period: 3 days after First Quarter or 2 days after Last
Minimal Instrument: 10x binoculars