Circular No. 5410 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Postal Address: Central Bureau for Astronomical Telegrams Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Telephone 617-495-7244/7440/7444 (for emergency use only) TWX 710-320-6842 ASTROGRAM CAM EASYLINK 62794505 MARSDEN or GREEN@CFA.BITNET MARSDEN or GREEN@CFAPS2.SPAN 1991 VH Ephemeris from the orbital elements on IAUC 5409: 1991/92 R. A. (2000) Decl. Delta r Elong. Phase V Dec. 20 2 14.87 -35 03.2 0.341 1.108 102.5 60.1 17.0 25 2 26.51 -30 19.8 0.351 1.120 103.7 58.5 17.1 30 2 37.72 -25 36.5 0.364 1.132 104.8 57.2 17.1 Jan. 4 2 48.70 -20 56.4 0.378 1.144 105.5 56.0 17.2 9 2 59.61 -16 22.8 0.394 1.155 105.9 55.0 17.3 14 3 10.55 -11 58.6 0.413 1.166 105.9 54.2 17.4 19 3 21.61 - 7 46.3 0.433 1.177 105.7 53.6 17.5 24 3 32.81 - 3 47.7 0.456 1.188 105.2 53.1 17.6 29 3 44.22 - 0 03.8 0.480 1.198 104.4 52.8 17.7 Feb. 3 3 55.87 + 3 24.6 0.507 1.208 103.4 52.5 17.9 8 4 07.81 + 6 37.4 0.535 1.218 102.3 52.3 18.0 13 4 20.06 + 9 34.4 0.565 1.227 100.9 52.2 18.1 18 4 32.60 +12 16.0 0.597 1.236 99.5 52.0 18.3 COMET HELIN-LAWRENCE (1991l) Continuation to the ephemeris on IAUC 5380: 1991/92 R. A. (2000) Decl. Delta r Elong. Phase m1 Dec. 20 13 42.50 -67 55.2 1.862 1.578 57.9 31.9 8.8 25 14 06.2 -73 01.6 1.810 1.561 59.5 32.9 8.7 30 14 49.2 -78 08.7 1.769 1.546 60.6 33.7 8.6 Jan. 4 16 28.4 -82 34.7 1.740 1.534 61.3 34.2 8.6 9 19 58.0 -83 43.7 1.724 1.526 61.6 34.5 8.5 14 22 27.6 -80 08.9 1.722 1.520 61.4 34.6 8.5 19 23 28.2 -74 55.7 1.734 1.518 60.7 34.4 8.5 24 23 58.32 -69 24.4 1.758 1.519 59.6 34.0 8.5 29 0 16.76 -63 57.0 1.794 1.523 58.1 33.3 8.6 Feb. 3 0 29.69 -58 42.4 1.841 1.530 56.2 32.4 8.7 8 0 39.64 -53 44.9 1.897 1.541 54.0 31.2 8.8 13 0 47.78 -49 06.6 1.960 1.554 51.7 29.9 8.9 18 0 54.75 -44 48.1 2.028 1.571 49.1 28.4 9.0 1991 December 24 Brian G. Marsden