Triesnecker is a prominent lunar impact crater that is located in the Sinus Medii, near the central part 's near side. It is located to the north-northwest of the crater Rhaeticus, and to the east-southeast of the flooded Murchison. The crater rim is somewhat distorted from a circular shape, having a notable bulge in the western wall, and lesser rises in the southeastern and northeastern rims. The inner walls are terraced and the interior is somewhat rough, with a central peak at the midpoint. (wikipedia entry)
