Circular No. 4013 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 617-495-7244/7440/7444 COMET LEVY-RUDENKO (1984t) Further precise positions have been reported as follows: 1984 UT R.A. (1950.0) Decl. Observer Nov. 20.06424 18 45 20.06 +12 53 35.1 Skiff 20.09132 18 45 19.44 +12 54 27.2 " 20.36270 18 45 13.14 +13 03 12.2 Watanabe 20.76806 18 45 04.18 +13 16 08.8 Barthelemy 22.39757 18 44 26.24 +14 08 18.6 Koishikawa 22.42535 18 44 25.69 +14 09 12.9 " 23.37674 18 44 03.52 +14 39 37.9 " 23.39826 18 44 03.03 +14 40 20.8 " 23.42813 18 44 02.40 +14 41 16.6 " B. A. Skiff (Lowell Anderson Mesa Station). Measurer: E. Bowell. K. Watanabe (Sapporo Science Center). Long. = +141.4758 deg, Lat. = +43.0336 deg, h = 30 m. Communicated by S. Nakano, Tokyo. A. Barthelemy (Caussols). Reduced by R. Chemin. M. Koishikawa (Sendai Obs., Ayashi Sta.). Measurer: S. Kasahara. Orbital elements by Nakano from 20 observations Nov. 14-23: T = 1984 Dec. 14.307 ET Peri. = 82.951 Node = 330.387 1950.0 q = 0.91625 AU Incl. = 65.546 SUPERNOVA IN NGC 7184 G. M. Hurst, Basingstoke, England, writes that R. O. Evans' presumed supernova (IAUC 3962, but see also IAUC 3994 and 3995) was photographed by A. Young, Burwash, on July 28, Aug. 28 and Sept. 22, during which time the object faded from mpv ~ 14.5 to mpv ~ 15.5. Measurements by P. Birtwhistle, Godstone, give the position as R.A. = 21h59m58s24, Decl. = -21deg02'22"9 (equinox 1950.0). The offset from the galaxy's nucleus is 68"7 east, 53"6 north. The object is not identical with Tatum's, which is located 1"5 to the west and 12"2 to the north. Evans himself writes that he has been informed that a low-dispersion spectrogram obtained at the Anglo-Australian Observatory on July 31 suggests that the object was a heavily obscured type I supernova, and that a spectrogram obtained with the 5-m Palomar reflector appears to confirm this, but no official word has been received of these observations. 1984 November 26 (4013) Brian G. Marsden
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