Astro Photography By Wes Higgins

©2004 Wes Higgins

Janssen Imaged 10-29-07 , 18 Inch Reflector , Infinity 2-1M Camera

The Information Listed Below Is Provided By Personal Authorization From Christian Legrand Of VMA, Link To Virtual Moon Atlas

Description:
Damaged circular formation.
Few marked slopes crushed by Fabricius to the North and riddled of craters whose Lockyer to the West Janssen F R E and D to the South-West Janssen B J
M and X to the North West.
Few high walls.
Very tormented floor with the trio Janssen H K & L to the East. Hills and craterlets. Contains Rimae Janssen.

Size:
Dimension: 196x196Km / 115x115Mi
Height: ?
Height/Wide ratio: Unknown height. Impossible calculation.

Observation:
Interest : Very interesting formation
Observation period: 5 days after New Moon or 4 days after Full Moon
Minimal Instrument: 10x binoculars