Craters Cavalerius Origin of the name Cavalieri, Buonaventura; Italian mathematician (1598-1647). When to observe it … Nearby Hevelius 89 km Planitia Descensus 105 km Rimae Hevelius 131 km Lohrmann 168 km Galilaei 204 km Rima Cardanus 227 km Reiner Gamma 250 km Rimae Riccioli 274 km