MPEC 2016-S03 : COMET C/2016 R3 (Borisov)
MPEC 2015-R12 : COMET 141P-H/Machholz
MPEC 2013-V43 : COMET C/2013 V2 (BORISOV)
MPEC 2013-N51 : COMET C/2013 N4 (BORISOV)
MPEC 2008-U27 : OBSERVATIONS OF COMETS
MPEC 2008-S78 : OBSERVATIONS OF COMETS
MPEC 2008-S27 : OBSERVATIONS OF COMETS