Comet Harlan (1976g)

H. L. Giclas, Lowell Observatory, provides the following precise positions. Measurer: M. L. Kantz. 1976 UT R. A. (1950) Decl. June 1.17326 13 03 58.15 +39 15 58.7 1.18924 13 03 57.67 +39 15 42.0 The following parabolic elements, by the undersigned, satisfy 10 observations Apr. 27 to June 1 within 2".5: T = 1976 Nov. 3.0848 ET Peri. = 193.2473 Node = 80.7250 1950.0 q = 1.568651 AU Incl. = 38.8026 1976 ET R. A. (1950) Decl. Delta r m2 July 1 13 04.74 +29 05.7 2.144 2.279 17.2 11 13 10.41 +25 02.9 21 13 18.39 +20 46.6 2.153 2.104 16.9 31 13 28.47 +16 19.1 Aug. 10 13 40.47 +11 42.5 2.168 1.942 16.6 20 13 54.26 + 6 58.8 30 14 09.80 + 2 10.1 2.189 1.800 16.3 Sept. 9 14 27.07 - 2 41.3 19 14 46.11 - 7 32.5 2.217 1.685 16.0 29 15 07.03 -12 20.5 Oct. 9 15 29.96 -17 01.2 2.255 1.606 15.8 19 15 55.06 -21 30.3 29 16 22.53 -25 42.5 2.307 1.570 15.8 m2 = 12.0 + 5 log Delta + 10 log r E. Roemer, University of Arizona, reports that exposures with the Steward Observatory's 229-cm reflector on June 5 show a condensation of magnitude ~ 17.5 and asymmetric coma mainly northeastward.