Tuesday, 19 February 2013

Eratosthenes



Eratosthenes sits at the north of Sinus Aestuum and rises from a fairly smooth surrounding area and is almost joined by the foothills of the Montes Alpenninus. 58km in diameter and 3.6km deep and a staggering 3.2 billion years old!


EP / 3-6mm Nagler at x220
18/2/2013
2235 UT - 2315UT
Temp 2˚C
Transparency / Excellent
Antoniadi II
Cologitude 11.4˚
Phase 78˚
Lunation 8.6 days

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