MPEC 2012-O08 : COMET P/2012 NJ (LA SAGRA)
MPEC 2012-K56 : OBSERVATIONS AND ORBITS OF COMETS
MPEC 2012-G18 : OBSERVATIONS AND ORBITS OF COMETS
MPEC 2012-C52 : COMET C/2012 C2 (BRUENJES)
MPEC 2011-Y66 : OBSERVATIONS AND ORBITS OF COMETS
MPEC 2011-W48 : OBSERVATIONS AND ORBITS OF COMETS
MPEC 2011-U42 : OBSERVATIONS AND ORBITS OF COMETS