Semeykin (crater)
# Semeykin (crater)

Semeykin is a crater in the Ismenius Lacus quadrangle on Mars. It is located at 41.8° north latitude and 351.4° west longitude. The crater measures approximately 74 kilometers in diameter and was named after Boris Semeykin [uk], a Soviet astronomer (1900–1938).

To the northeast of Semeykin are the Mamers Valles.

* MOLA map showing Semeykin crater and other nearby craters. Colors indicate elevations.
* Semeykin crater drainage, as seen by THEMIS.
* Semeykin crater, as seen by CTX camera (on MRO).
* Wide view of sets of layers in Semeykin, as seen by HiRISE under HiWish program
* Close view of layers (enlarged from previous image)
