• Don SpainEmail author
Part of the Astronomer's Pocket Field Guide book series (ASTROPOC)


Arago (16 miles) is a sharp rimmed crater about a mile deep. There are several wrinkle ridges to its east and south. On the photo you will see two formations labeled Alpha and Beta. These are large lunar domes that are visible under a low sun. Both are about 12 miles across. I can spot them in my 2.4 inch refractor under grazing sunlight and they are easy with the 4 inch. If they are visible during a public showing be sure to point them out.

Manners (9 miles) are a sharp rimmed crater a mile deep. Look southwest from Arago to find it.

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© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Louisville Astronomical SocietyLouisvilleUSA

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