Lat: 35.9°S, Long: 8.4°W, Diam: 41 km, Depth: 2.81 km, Rükl: 64
(IAU Directions) BALL.--A somewhat smaller ring-plain on the S.W. edge of the great plain, with a lofty terraced border and a central mountain more than 2,000 feet high. There are two large irregular depressions on the E. of the formation, a crater on the S., and a smaller one on the N. wall.
- Depth data from Kurt Fisher database
Arthur, 1974: 2.81 km
Westfall, 2000: 2.81 km
Viscardy, 1985: 2.8 km
- Central peak composition: GNTA1 (Tompkins & Pieters, 1999)
- Central peak is 1.5 km tall Sekiguchi, 1972. - fatastronomer
- William; British astronomer (unkn-1690).
- Perhaps interesting to know that there was also a certain Irish astronomer called Robert Stawell Ball (1840-1913), and also a certain L.F.Ball who seems to have been a dedicated telescopic observer of the moon. - DannyCaes Apr 26, 2015
- And who was Sir Robert Ball (?), mentioned in the article The Moons of Mars (Roscoe Lamont, Popular Astronomy, 1925), see pages 425-426 in Mysterious Universe, a handbook of astronomical anomalies (William R. Corliss, The Sourcebook Project, 1979). - DannyCaes Apr 26, 2015