Dorsum Oppel
The Dorsum Oppel is a dorsum on the moon, which runs along the northwestern edge of Mare Crisiums, starting at Cleomedes F up to Yerkes. South of Yerkes then dorsum begins Termier.
Its length is about 300 km; his middle selenographic coordinates are 19 ° N / 52 ° E.
In 1976, he was named by the International Astronomical Union after the German paleontologist Albert Oppel.