------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 994 1995 Sep 03 14.15UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP,England. Telephone/FAX(0256)471074 Int:+44256471074 INTERNET: GUY@TAHQ.DEMON.CO.UK GMH at AST.STAR.RL.AC.UK WORLD WIDE WEB http://www.demon.co.uk/astronomer ------------------------------------------------------------------- COMET C/1995 Q2 (HARTLEY-DRINKWATER) The following parabolic elements are available for the comet whose discovery was announced on E993. Parabolic orbital elements from 39 observations Aug. 29-Sept. 1: T = 1995 July 31.966 TT Peri. = 312.640 Node = 300.445 2000.0 q = 1.88628 AU Incl. = 168.093 IAUC 6218 Ephemeris by Guy Hurst using EPH.EXE by Nick James: m = 10.5 + 5.0 log R + 10.0 log r Date R.A. (2000) Dec. R r Elong Mag. Motion h m o ' (AU) (AU) o "/hr P.A. 1995 Sept 2.00 21 49.54 -26 4.4 0.955 1.928 158.0 13.3 296 259 4.00 21 32.66 -26 44.4 0.979 1.934 153.3 13.3 280 261 6.00 21 16.57 -27 14.3 1.007 1.939 148.5 13.4 263 263 8.00 21 1.43 -27 35.2 1.040 1.945 143.6 13.5 245 265 10.00 20 47.31 -27 48.1 1.077 1.951 138.9 13.6 226 267 12.00 20 34.27 -27 54.5 1.117 1.958 134.4 13.7 208 269 14.00 20 22.30 -27 55.5 1.160 1.965 130.0 13.8 190 270 16.00 20 11.38 -27 52.2 1.207 1.972 125.8 13.9 173 272 18.00 20 1.47 -27 45.7 1.255 1.979 121.8 14.0 157 274 20.00 19 52.49 -27 36.7 1.306 1.987 118.0 14.1 143 275 22.00 19 44.38 -27 26.0 1.358 1.995 114.4 14.2 129 276 24.00 19 37.08 -27 14.0 1.412 2.003 110.9 14.3 117 278 26.00 19 30.51 -27 1.2 1.467 2.011 107.6 14.4 106 279 28.00 19 24.61 -26 47.9 1.523 2.020 104.3 14.5 95 280 30.00 19 19.31 -26 34.5 1.580 2.029 101.3 14.6 86 281 1995 Oct 2.00 19 14.55 -26 21.0 1.637 2.038 98.3 14.7 78 283 4.00 19 10.30 -26 7.6 1.695 2.047 95.4 14.8 70 284 6.00 19 6.48 -25 54.5 1.753 2.057 92.6 14.9 63 285 8.00 19 3.07 -25 41.6 1.811 2.067 89.9 14.9 57 286 10.00 19 0.03 -25 29.1 1.870 2.077 87.3 15.0 51 288 12.00 18 57.31 -25 17.0 1.928 2.087 84.7 15.1 46 289 14.00 18 54.90 -25 5.2 1.986 2.098 82.2 15.2 41 291 16.00 18 52.76 -24 53.8 2.044 2.109 79.7 15.3 37 292 18.00 18 50.87 -24 42.8 2.102 2.120 77.4 15.4 33 294 20.00 18 49.21 -24 32.2 2.159 2.131 75.0 15.5 30 296 22.00 18 47.76 -24 21.9 2.216 2.142 72.7 15.5 26 298 24.00 18 46.49 -24 12.0 2.272 2.154 70.4 15.6 24 301 26.00 18 45.40 -24 2.4 2.328 2.166 68.2 15.7 21 304 28.00 18 44.47 -23 53.1 2.384 2.178 66.0 15.8 19 308 30.00 18 43.68 -23 44.2 2.438 2.190 63.8 15.8 17 312 V1113 CYGNI L.Szentasko, Hungary, reports an outburst of this UG star detected with his 0.33-m reflector. On 1995 Aug 25.83UT, he estimated the visual magnitude as 14.9. Tonny Vanmunster, Belgium, confirmed the brightening: 1995 Aug 27.87UT, 14.1v Further details appeared on CVC 55. Guy M Hurst