BRIEF DESCRIPTION 
       The southern extension of Mare Fecunditatis, with bright rays from
  the  craters Petavius B and Snellius A, includes the giant crater Petavius
  (which  forms a magnificent chain with Langrenus, Vendelinus and Furnerius)
  and a  group of craters named after famous navigators. Please refer to
your   copy  of the Antonin Rukl lunar atlas chart, page 145. 
EARTH-BASED TELESCOPIC IMAGES: 
       Image
  - ProVIEW image  of Petavius B 
       Image - Petavius  (Genovese) 
        
LUNAR ORBITER IMAGES: 
       Lunar
    Orbiter Database 
       Biot, 13 km 
       Borda, 44 km 
       Colombo, 76 km 
       Cook, 47 km 
       Fecunditatis, Mare 
       Hase, 83 km 
       McClure, 24 km 
       Monge, 37 km 
       Palitzsch, 41 km 
       Palitzsch, Vallis 
       Petavius, 177 km 
       Petavius, Rimae 
       Santbech, 64 km 
       Snellus, 83 km 
       Snellus, Vallis 
       Wrottesley, 57 km 
RESEARCH UPDATES: 
       None on file