.dvi
or
.ps
format.
Circular No. 6288 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 A1 (JEDICKE) The following precise CCD positions have been reported: 1996 UT R.A. (2000) Decl. m1 Observer Jan. 16.01936 9 23 33.77 + 7 09 48.5 Pravec 16.03166 9 23 33.43 + 7 09 48.8 " 16.03755 9 23 33.29 + 7 09 49.1 17.0 " 16.04809 9 23 33.02 + 7 09 49.8 16.0 Ticha 16.05170 9 23 32.89 + 7 09 49.9 " 16.05418 9 23 32.84 + 7 09 50.1 " 16.19571 9 23 29.36 + 7 09 55.6 16.7 Offutt 16.24265 9 23 28.14 + 7 09 57.4 " 16.29265 9 23 26.80 + 7 09 59.0 " P. Pravec and L. Sarounova (Ondrejov). 0.65-m f/3.6 reflector. J. Ticha, M. Tichy and Z. Moravec (Klet). 0.57-m f/5.2 reflector. W. Offutt (Cloudcroft). 0.60-m f/7 Ritchey-Chretien. Tail > 2' long. Further to the observations on IAUC 6287, J. V. Scotti, Lunar and Planetary Laboratory, notes that on Jan. 15.28 there was a tail 4'.74 long in p.a. 293 deg; the comet's nuclear magnitude was 20.3. The following parabolic orbital elements, from 15 observations Jan. 14-16, are extremely uncertain: T = 1997 Apr. 17.758 TT Peri. = 324.878 Node = 264.410 2000.0 q = 2.46872 AU Incl. = 8.109 1996 TT R. A. (2000) Decl. Delta r Elong. Phase m1 Jan. 13 9 24.81 + 7 08.3 4.338 5.213 149.9 5.4 16.9 18 9 22.70 + 7 11.1 4.264 5.174 155.3 4.6 16.8 23 9 20.38 + 7 15.5 4.197 5.136 160.5 3.7 16.7 28 9 17.87 + 7 21.3 4.138 5.097 165.5 2.8 16.7 Feb. 2 9 15.24 + 7 28.4 4.086 5.058 169.7 2.0 16.6 7 9 12.51 + 7 36.7 4.041 5.019 171.8 1.6 16.5 12 9 09.74 + 7 46.1 4.005 4.981 170.4 1.9 16.5 17 9 06.97 + 7 56.2 3.976 4.942 166.4 2.7 16.4 22 9 04.26 + 8 06.9 3.955 4.903 161.5 3.7 16.4 27 9 01.67 + 8 17.9 3.942 4.865 156.3 4.7 16.3 (C) Copyright 1996 CBAT 1996 January 16 (6288) Brian G. Marsden
.dvi
or
.ps
format.
Our Web policy. Index to the CBAT/MPC/ICQ pages.