Fredholm (crater)

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Fredholm is a small crater in the rugged area in the west of Mare Crisium. It is situated between the striking craters Macrobius and Proclus in the north to the south. The circular, symmetrical formation has a bowl- shaped interior. The interior walls fall evenly towards the center and form a small crater in the center bottom with about a quarter of the diameter of the entire crater. On its northern edge, the smaller Macrobius E leaning against.

Fredholm was a long time as a satellite crater Macrobius named Macrobius D out before he got in 1976 by the International Astronomical Union ( IAU ) has its own name.