Craters Hevelius Origin of the name Howelcke, Johann; Polish astronomer (1611-1687). When to observe it … Nearby Rimae Hevelius 53 km Lohrmann 80 km Cavalerius 89 km Planitia Descensus 181 km Rimae Riccioli 204 km Grimaldi 231 km Riccioli 261 km Rimae Grimaldi 276 km