Comet Jensen-Shoemaker (1987g1)

The comet reported on IAUC 4503 seems to be identical with a diffuse image found by Poul Jensen on an earlier exposure by Karl Augustesen at the Copenhagen Observatory's Brorfelde station. The following precise positions have been reported: 1987 UT R.A. (1950) Decl. m1 Observer Oct. 25.86398 0 30 11.76 + 9 40 46.0 16 Augustesen 25.88134 0 30 11.04 + 9 40 21.4 " Nov. 24.16996 0 18 22.94 - 0 43 49.9 17.0 Shoemaker 26.21892 0 18 10.18 - 1 19 09.6 " 27.27621 0 18 05.60 - 1 36 55.9 " K. Augustesen (Brorfelde). 0.45-m Schmidt telescope. Measurer P. Jensen. Comet diffuse and uncondensed, no tail. C. and E. Shoemaker (Palomar). Measurer C. Shoemaker. Orbital elements from the above observations: T = 1988 Jan. 17.512 ET W = 194.427 O = 197.650 1950.0 q = 3.33416 AU i = 76.731 1987/88 ET R.A. (1950) Decl. Delta r m1 Oct. 12 0 40.24 +15 16.1 2.471 3.458 16.4 22 0 32.81 +11 14.2 Nov. 1 0 26.47 + 7 15.4 2.509 3.413 16.3 11 0 21.74 + 3 32.2 21 0 18.87 + 0 13.3 2.692 3.378 16.4 Dec. 1 0 18.00 - 2 36.8 11 0 19.08 - 4 57.7 2.969 3.353 16.6 21 0 21.98 - 6 51.6 31 0 26.53 - 8 21.6 3.284 3.338 16.8 Jan. 10 0 32.53 - 9 31.7 20 0 39.80 -10 25.6 3.593 3.334 17.0