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Circular No. 6342 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Postal Address: Central Bureau for Astronomical Telegrams Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions) BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science) Phone 617-495-7244/7440/7444 (for emergency use only) COMET C/1996 E1 The following precise CCD positions have been reported: 1996 UT R.A. (2000) Decl. m1 Observer Mar. 16.24762 8 58 28.73 +19 36 06.8 16.7 Helin 16.42703 8 57 58.77 +19 42 49.3 16.4 " 16.90646 8 56 39.87 +20 00 38.6 Sarounova 16.91661 8 56 38.17 +20 01 02.2 " 17.21302 8 55 49.68 +20 12 01.8 Rogers 17.23194 8 55 46.56 +20 12 45.0 " 17.24559 8 55 44.51 +20 13 16.1 16.6 Helin 17.28625 8 55 37.77 +20 14 46.9 16.6 " 17.43263 8 55 13.91 +20 20 08.6 Kobayashi 17.49985 8 55 02.65 +20 22 44.4 Garradd 17.50403 8 55 01.96 +20 22 54.1 " 17.50610 8 55 01.67 +20 22 51.4 Kobayashi 17.52126 8 54 59.22 +20 23 24.6 Kojima 17.53558 8 54 56.93 +20 23 55.6 " 17.90536 8 53 56.41 +20 37 30.8 16.3 Ticha 17.91819 8 53 54.31 +20 37 58.9 " E. F. Helin, S. Pravdo and K. J. Lawrence (Haleakala-NEAT/GEODSS). L. Sarounova and P. Pravec (Ondrejov). 0.65-m f/3.6 reflector. J. E. Rogers (Camarillo). 0.25-m Schmidt-Cassegrain. T. Kobayashi (Oizumi). 0.25-m f/4.4 reflector. G. J. Garradd (Loomberah). 0.25-m reflector. T. Kojima (Chiyoda). 0.25-m f/3.4 Wright-Schmidt. J. Ticha and M. Tichy (Klet). 0.57-m f/5.2 reflector. Parabolic orbital elements from 22 observations Mar. 15-17: T = 1996 July 27.230 TT Peri. = 83.456 Node = 149.893 2000.0 q = 1.30663 AU Incl. = 113.526 1996 TT R. A. (2000) Decl. Delta r Elong. Phase m1 Mar. 18 8 53.69 +20 41.0 1.476 2.269 132.3 18.9 16.4 23 8 40.50 +23 36.9 1.504 2.216 123.5 22.0 16.3 28 8 28.23 +26 17.4 1.543 2.164 115.1 24.7 16.3 Apr. 2 8 17.05 +28 42.0 1.589 2.112 107.2 26.9 16.3 7 8 07.06 +30 51.3 1.641 2.061 99.7 28.6 16.2 (C) Copyright 1996 CBAT 1996 March 17 (6342) Brian G. Marsden
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