Recent News and Research Concerning Comets

Concerning comets: 1972 IV P/Neujmin 3, 1975 VII P/Smirnova-Chernykh, 1977 VII P/Gehrels 3, 1978 XXIV P/Van Biesbroeck, 1980 XI P/Encke, 1983j P/IRAS, 1983o IRAS, 1983r P/Harrington-Abell, 1983s P/Wild 2, 1983u P/Taylor, 1983v P/Hartley-IRAS, 1983w P/Clark, 1984a P/Bradfield, 1984c P/Neujmin 1, 1984d P/Russell 4, 1984f Shoemaker, 1984g P/Wolf-Harrington, 1984h P/Faye, 1984i Austin, 1984j Takamizawa, 1984k P/Arend-Rigaux.