Lat: 58.9°S, Long: 48.3°W, Diam: 67 km, Depth: 1.5 km, Rükl: 71
LO-IV-154H Segner is to the left of center. The crater with the terraced inner wall at lower left is Zucchius.
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(IAU Directions) SEGNER.--A fine ring-plain, 46 miles in diameter, on the S.W. side of Schiller, with a linear border on every side except the N. At a peak on the E., whose shadow is very remarkable, it rises to a height of more than 8,000 feet above the outer surface. There is a crater on the S.E. wall, another on the N.E. wall, and several depressions on the outer slope on this side. The central mountain is small but conspicuous. A large unnamed enclosure extends N. of Segner: it is larger than Schiller, and is surrounded by a lofty barrier. The bright plain between this and the latter is worth examination under a low sun.
Depth data from Kurt Fisher database
- Westfall, 2000: 1.5 km
- Viscardy, 1985: 1.3 km
- Cherrington, 1969: 2.01 km
- From the shadows in LO-IV-154H, the ridge on the east of Segner is at least 2100 m tall. - Jim Mosher
Johann Andreas von; German physicist, mathematician (1704-1777).
A Portfolio of Lunar Drawings (Harold Hill), pages 158, 159.