THE ASTRONOMER Electronic Circular No 635 1992 May 4 19.01UT
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
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PERIODIC COMET SHOEMAKER-LEVY 8 (1992f)
Updated elements:
T = 1992 June 19.550 TT Peri. = 23.883
e = 0.29055 Node = 213.427 2000.0
q = 2.70962 AU Incl. = 6.073
a = 3.81931 AU n = 0.132047 P = 7.46 years
IAUC 5506
The comet is currently predicted to be below mag 16.
COMET TANAKA-MACHHOLZ (1992d)
Revised elements
T 1992 Apr 22.6240 TT w 65.41100 )
e 1.00000000 O 300.50500 ) 2000.0
q 1.2623600 A.U. i 79.26300 )
Source: IAUC 5506 Positions are geocentric
m = 6.5 + 5.0 log R + 10.0 log r
Ephemeris (cf E624) using EPH.EXE by Nick James:
Date R.A. (2000) Dec. R r Elong Mag. Motion
h m o ' (AU) (AU) o "/hr P.A.
1992 May
4.00 0 6.33 +51 12.5 1.719 1.274 47.4 8.7 188 43
5.00 0 11.95 +52 6.6 1.721 1.276 47.4 8.7 188 44
6.00 0 17.76 +52 59.7 1.724 1.279 47.4 8.8 187 45
7.00 0 23.78 +53 51.7 1.727 1.281 47.4 8.8 186 46
8.00 0 30.00 +54 42.4 1.730 1.284 47.4 8.8 186 48
9.00 0 36.44 +55 31.8 1.734 1.287 47.4 8.8 185 49
10.00 0 43.09 +56 19.8 1.738 1.290 47.4 8.8 184 50
11.00 0 49.97 +57 6.2 1.743 1.293 47.3 8.8 182 51
12.00 0 57.07 +57 51.1 1.749 1.297 47.3 8.8 181 52
13.00 1 4.40 +58 34.4 1.754 1.300 47.2 8.9 180 54
14.00 1 11.96 +59 15.9 1.761 1.304 47.1 8.9 179 55
15.00 1 19.75 +59 55.5 1.767 1.308 47.0 8.9 177 57
16.00 1 27.76 +60 33.3 1.774 1.312 46.9 8.9 176 58
17.00 1 36.00 +61 9.0 1.782 1.316 46.8 8.9 174 60
18.00 1 44.45 +61 42.7 1.789 1.320 46.7 9.0 173 62
19.00 1 53.10 +62 14.3 1.798 1.325 46.6 9.0 171 63
20.00 2 1.95 +62 43.7 1.806 1.329 46.5 9.0 169 65
21.00 2 10.98 +63 10.9 1.815 1.334 46.3 9.0 167 67
22.00 2 20.18 +63 35.8 1.824 1.339 46.1 9.1 166 69
23.00 2 29.52 +63 58.4 1.834 1.344 46.0 9.1 164 71
24.00 2 38.98 +64 18.7 1.844 1.350 45.8 9.1 162 73
25.00 2 48.54 +64 36.7 1.854 1.355 45.6 9.2 160 75
26.00 2 58.18 +64 52.3 1.865 1.361 45.4 9.2 158 77
27.00 3 7.87 +65 5.7 1.876 1.366 45.2 9.2 156 79
28.00 3 17.57 +65 16.7 1.887 1.372 45.0 9.3 154 81
PG 0943+521
Taichi Kato reports that Makoto Iida (Nagano, Japan) has detected a
possible outburst of PG 0943+521 (RA 09h43.7m DEC +52 08'[1950]), a
cataclysmic binary included in the Palomar Green Survey od Ultra-
Violet Excess Stellar Objects. On Apr 26.521, mv=12.5.
Guy M Hurst