Astro Photography By Wes Higgins

©2004-2009 Wes Higgins

Janssen

The Text 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

 

Imaging Information

DATE

11-05-09

TIME

9:22 UT

TELESCOPE

18 Inch Reflector

BARLOW

4x Powermate

CAMERA

Infinity 2-1M

STACK COUNT

427/1150 frames

MAP

1817 Points

PROCESSING PROGRAMS USED: Avistack , Registax V5 , ImagesPlus , Photoshop CS4