An oblique view of a portion of the large crater Posidonius at the northeastern edge of the Sea of Serenity, as photographed from the Apollo 15 spacecraft in lunar orbit. Posidonius P is in the corner of the picture. The much smaller crater nearby is Posidonius F. The crater inside Posidonius is Posidonius A. Rima Posidonius II extends along inside Posidonius. The diamter of Posidonius is approximately 100 kilometers (about 62 statute miles). Posidonius is partly filled and the rim partly covered with mare material. This view is looking northwestward.

Catalog Date: 08 January 1971
Film Type: 70mm
NASA image: AS15-91-12366