Periodic Comet Gunn

The following precise position was obtained by P. Jekabsons with the 33-cm astrograph at the Perth Observatory: 1976 UT R. A. (1950) Decl. Nov. 16.58009 21 36 49.72 -25 29 19.6 The following osculating elements, by B. G. Marsden, are from 43 observations made between 1970 and 1976: Epoch = 1969 Apr. 9.0 1976 Jan. 23.0 1982 Nov. 7.0 ET T = 1969 Apr. 18.8768 1976 Feb. 10.8266 1982 Nov. 26.8565 ET Peri. = 197.1180 197.4802 196.9847 Node = 68.0371 67.9766 67.8849 1950.0 Incl. = 10.3940 10.3879 10.3831 q = 2.441473 2.444534 2.459141 AU e = 0.319521 0.319079 0.316361 a = 3.587875 3.590040 3.597134 AU n = 0.1450268 0.1448956 0.1444672 P = 6.796 6.802 6.822 years 1977/78 ET R. A. (1950) Decl. Delta r m2 May 17 1 23.47 + 0 56.9 4.250 3.490 18.6 27 1 34.29 + 1 58.5 June 6 1 44.54 + 2 54.0 4.117 3.549 18.6 16 1 54.14 + 3 43.0 26 2 02.95 + 4 25.0 3.936 3.607 18.5 July 6 2 10.86 + 4 59.7 16 2 17.74 + 5 26.8 3.719 3.664 18.5 26 2 23.41 + 5 46.1 Aug. 5 2 27.73 + 5 57.2 3.484 3.720 18.4 15 2 30.53 + 6 00.3 25 2 31.66 + 5 55.4 3.256 3.775 18.3 Sept. 4 2 31.04 + 5 42.9 14 2 28.64 + 5 23.8 3.067 3.829 18.3 24 2 24.54 + 4 59.3 Oct. 4 2 18.99 + 4 31.4 2.953 3.881 18.2 14 2 12.35 + 4 02.8 24 2 05.14 + 3 36.2 2.946 3.932 18.3 Nov. 3 1 57.94 + 3 14.5 13 1 51.31 + 3 00.2 3.060 3.982 18.4 23 1 45.75 + 2 54.8 Dec. 3 1 41.59 + 2 59.2 3.283 4.030 18.6 13 1 39.03 + 3 13.4 23 1 38.13 + 3 36.9 3.587 4.077 18.9 Jan. 2 1 38.85 + 4 08.5 12 1 41.09 + 4 47.2 3.933 4.122 19.1 22 1 44.70 + 5 31.7 Feb. 1 1 49.54 + 6 20.9 4.286 4.166 19.4 11 1 55.43 + 7 13.7 21 2 02.24 + 8 08.9 4.618 4.208 19.6 Mar. 3 2 09.83 + 9 05.7 13 2 18.07 +10 03.3 4.906 4.249 19.7