Abingdon Astronomical Society Website

Members' Observations - Craters Geminus and Messala

Craters Geminus and Messala (photo)
Craters including Messala and Geminus, imaged on 4 December 1998 at approximately 21:45 UT by Ian Smith. Ian used a 20 cm aperture Schmidt-Cassegrain telescope and a Starlight Xpress MX516 CCD camera at a focal ratio of f/10.

Messala is the large crater at the left edge of the image. The crater has latitude and longitude of 39° N 60° E. Geminus is the large crater at the bottom of the image. It has latitude and longitude of 35° N 57° E and is noted for its terraced walls; it also has a central hill.


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