MPEC 2020-P19 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS (*)
MPEC 2020-M114 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2020-M07 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2018-S50 : OBSERVATIONS AND ORBITS OF COMETS
MPEC 2018-R14 : COMET 46P/Wirtanen
MPEC 2018-H105: OBSERVATIONS AND ORBITS OF COMETS
MPEC 2018-F152: OBSERVATIONS AND ORBITS OF COMETS
MPEC 2018-F136: COMET C/2018 C2 (Lemmon) (*)
MPEC 2006-E32 : OBSERVATIONS OF COMETS