Circular No. 3275 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Postal Address: Central Bureau for Astronomical Telegrams Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. TWX 710-320-6842 ASTROGRAM CAM Telephone 617-864-5758 COMET MACHHOLZ (1978l) The following precise positions have been reported: 1978 UT R. A. (1950) Decl. m1 Observer Sept.14.32997 6 38 00.98 -19 51 46.9 11 Schuster 16.81944 6 36 07.69 -21 56 11.9 11 Seki H.-E. Schuster (European Southern Observatory). Comet very diffuse. Measurer: R. M. West. T. Seki (Kochi Observatory, Geisei Station). Further total visual magnitude estimates by D. Machholz, Los Gatos, CA (25-cm reflector): Sept. 23.52 UT, 10.6; 28.49, 10.8. PERIODIC COMET HANEDA-CAMPOS (1978j) Further precise positions have been reported as follows: 1978 UT R. A. (1950) Decl. m1 Observer Aug. 9.14986 20 41 17.94 -19 12 17.8 11 Pizarro Sept. 2.48715 20 52 21.51 -29 57 21.2 11 Urata 2.48979 20 52 21.68 -29 57 26.5 " 3.14600 20 53 17.18 -30 ie 43.8 Roman G. Pizarro, H.-E. Schuster, G. Roman and N. Vogt (European Southern Observatory). 100-cm Schmidt telescope on Aug. 9 (prediscovery observation), 40-cm astrograph on Sept. 3. Images very diffuse, uncondensed on the astrograph plate. Measurer: R. M. West. T. Urata (JCPM Yakiimo Sta.). From Nihondaira Obs. Circ. No. 1009. The Aug. 9 observation confirms the Palomar one on Aug. 10 and thus the second set of elements on IAUC 3271. Resulting ephemeris: 1978 ET R. A. (1950) Decl. Delta r m1 Sept.29 22 38.57 -43 57.7 0.162 1.110 10.0 Oct. 4 23 18.30 -44 47.3 9 0 01.53 -44 10.5 0.154 1.102 9.9 14 0 44.10 -42 00.9 19 1 22.24 -38 32.1 0.160 1.109 10.0 24 1 54.03 -34 10.5 29 2 19.34 -29 23.7 0.179 1.132 10.3 1978 September 29 (3275) Brian G. Marsden
Our Web policy. Index to the CBAT/MPC/ICQ pages.