Comet Aarseth-Brewington (1989a1)

Knut Aarseth and Howard J. Brewington report their independent discoveries of a new comet, with the following positions available: 1989 UT R.A. (1950) Decl. m1 Observer Nov. 16.73 16 20 +29 8.5 Aarseth 16.99 16 20 +27.6 9 Brewington 17.70 16 18 +27.6 Dale 17.722 16 18.7 +27 25 8.2 Granslo 17.74 16 17 +27.9 8 Lunde 17.95 16 17.9 +27 37 8 Caruso 17.97 16 17.5 +27 42 di Cicco 17.98 16 17.5 +27 36 8.6 Green K. Aarseth (Volde, Norway). Communicated by R. Lunde. H. J. Brewington (Newberry, SC). 0.40-m reflector. H. Dale (Oslo, Norway). B. H. Granslo and B. Pettersen (Institute of Theoretical Astrophysics, Blindern). Coma diameter 1'-2'. R. Lunde (Ulsteinvik, Norway). Definite motion over 1 hr. J. Caruso (Oak Ridge Observatory). 0.4-m reflector. Comet diffuse. D. di Cicco (Sudbury, MA). 0.28-m reflector. Diffuse with condensation. D. W. E. Green (Cambridge, MA). 0.20-m reflector. Coma diameter about 1'.5.