Astro Photography By Wes Higgins

©2004 Wes Higgins

 

Ptolemaeus 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, Link To Virtual Moon Atlas

Description:
Circular formation forming a remarkable trio with Alphonsus and Arzachel.
Few steep slopes riddled by many craterlets and supporting a chain of craterlets to the North-East.
High walls.
Very large flat floor containing Ammonius and several ghost craters. Craterlets depressions and hills.

Size:
Dimension: 158x158Km / 93x93Mi
Height: 0
Height/Wide ratio: 0.0157

Observation:
Interest : Exceptional formation
Observation period: First Quarter or 6 days after Full Moon
Minimal Instrument: 10x binoculars