Astro Photography By Wes Higgins
©2004-2010 Wes Higgins
Alphonsus-Arzachel
The Text Listed Below Is Provided By Personal Authorization From Christian Legrand Of VMA, Link To Virtual Moon Atlas
| Description: Circular formation composing a remarkable trio with Ptolemaeus and Arzachel. Several observed transcient phenomena whose a gaseous emission spectra obtained by Kozyrev in November 1958. Tormented steep slopes riddled with craterlets. High walls in terraces. Flat floor to the North. tormented to the South with black spots. Central mountain. Craterlets and hills. Contains Rimae Alphonsus. |
Size: Dimension: 121x121Km / 71x71Mi Height: 2730m / 8300ft Height/Wide ratio: 0.0231 |
Observation: Interest : Exceptional formation Observation period: First Quarter or 6 days after Full Moon Minimal Instrument: 10x binoculars |
Imaging Information |
DATE 09-30-10 |
TIME
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TELESCOPE 18 Inch Reflector |
BARLOW 4x Powermate |
FILTER 680nm IR Pass |
CAMERA Infinity 2-1M |
STACK COUNT 159 Frames |
MAP 2230 Points |