THE ASTRONOMER Electronic Circular No 624 1992 Apr 4 20.09UT
Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke,
Hants, RG22 4PP,England. Telephone/FAX(0256)471074 Int:+44256471074
Telex: 9312111261 Answerback: TA G JANET BOXES:
GMH at UK.AC.CAM.ASTRONOMY.STARLINK or GUYH at UK.AC.SUSSEX.CLUSTER
TELECOM GOLD: 10074:MIK2885 PRESTEL 256471074
-------------------------------------------------------------------
COMET TANAKA-MACHHOLZ (1992d)
Total visual magnitudes: Apr. 2.80 UT, 8.7 (Seki, 0.2-m refractor);
2.81, 9 (H. Mori, Mugegawa, Gifu, Japan, 20 x 120 binoculars;
independent discovery); 3.52, 8.5 (D. Machholz, Colfax, CA, 20x80B.
Parabolic orbital elements from 8 observations Mar. 24-Apr. 2:
T = 1992 Apr. 22.454 TT Peri. = 65.246
Node = 300.482 2000.0
q = 1.26288 AU Incl. = 79.246
1992 TT R. A. (2000) Decl. Delta r Elong. m1
Mar. 29 22 03.65 +16 27.0 1.940 1.317 38.6 9.1
Apr. 3 22 15.09 +20 53.0 1.881 1.297 40.6 9.0
8 22 27.63 +25 33.5 1.829 1.282 42.4 8.9
13 22 41.57 +30 25.9 1.785 1.271 44.0 8.8
18 22 57.30 +35 26.6 1.752 1.265 45.2 8.7
23 23 15.31 +40 30.3 1.729 1.263 46.2 8.7
28 23 36.23 +45 30.0 1.717 1.266 46.9 8.7
May 3 0 00.80 +50 17.2 1.718 1.273 47.3 8.7
8 0 29.86 +54 42.2 1.731 1.285 47.4 8.8
IAUC 5489
Guy M Hurst