THE ASTRONOMER Electronic Circular No 821 1994 Mar 13 16.44UT
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 TELECOM GOLD: 10074:MIK2885
INTERNET: GMH at AST.STAR.RL.AC.UK or GMH at AST-STAR.CAM.AC.UK
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COMET MCNAUGHT-RUSSELL (1993v)
It would appear from the observations published in this month's TA
that this comet is substantially brighter than original predictions
suggested and could reach magnitude 6 in late March/early April.
Visual m1 observations reported:
1994 Feb 13.46UT, 9.5 (David Seargent, Australia); 15.44, 9.4
(P.Camilleri, Australia); 16.45, 9.0 (Camilleri)
Updated elements:
T 1994 Mar 31.0940 TT w 353.47600 )
e 0.99321000 O 166.36300 ) 2000.0
q 0.8676000 A.U. i 51.58200 )
Source: IAUC 5926 Positions are geocentric
Ephemeris by G.Hurst using EPH.EXE by N.James:
m = 8.5 + 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.
1994 Mar
14.00 3 49.43 -20 28.5 0.649 0.922 64.3 7.2 219 24
15.00 3 52.01 -19 6.8 0.636 0.916 64.0 7.1 228 24
16.00 3 54.62 -17 41.2 0.622 0.911 63.8 7.1 238 23
17.00 3 57.28 -16 11.8 0.609 0.905 63.5 7.0 248 23
18.00 3 59.97 -14 38.2 0.596 0.900 63.2 6.9 258 22
19.00 4 2.70 -13 0.4 0.583 0.896 62.9 6.9 269 22
20.00 4 5.48 -11 18.1 0.571 0.891 62.6 6.8 280 21
21.00 4 8.29 -9 31.4 0.560 0.887 62.3 6.7 292 21
22.00 4 11.14 -7 40.0 0.548 0.884 62.0 6.7 303 21
23.00 4 14.04 -5 43.9 0.537 0.880 61.7 6.6 315 20
24.00 4 16.98 -3 43.1 0.527 0.877 61.5 6.5 327 20
25.00 4 19.96 -1 37.5 0.518 0.875 61.2 6.5 338 19
26.00 4 22.99 +0 32.7 0.509 0.873 61.0 6.4 350 19
27.00 4 26.06 +2 47.4 0.500 0.871 60.8 6.4 361 19
28.00 4 29.19 +5 6.4 0.493 0.869 60.6 6.4 371 18
29.00 4 32.37 +7 29.5 0.486 0.868 60.4 6.3 381 18
30.00 4 35.60 +9 56.3 0.480 0.868 60.3 6.3 390 18
31.00 4 38.89 +12 26.4 0.475 0.868 60.3 6.3 398 18
1994 Apr
1.00 4 42.24 +14 59.2 0.471 0.868 60.2 6.2 404 18
2.00 4 45.67 +17 34.3 0.467 0.868 60.3 6.2 409 18
3.00 4 49.16 +20 10.9 0.465 0.869 60.3 6.2 412 18
4.00 4 52.73 +22 48.5 0.464 0.871 60.5 6.2 414 18
5.00 4 56.39 +25 26.4 0.463 0.872 60.6 6.2 414 18
6.00 5 0.14 +28 3.8 0.463 0.874 60.9 6.2 412 18
7.00 5 3.99 +30 40.0 0.465 0.877 61.1 6.3 409 18
8.00 5 7.95 +33 14.5 0.467 0.880 61.5 6.3 404 18
9.00 5 12.02 +35 46.5 0.470 0.883 61.8 6.3 397 18
10.00 5 16.22 +38 15.4 0.474 0.886 62.2 6.4 389 19
11.00 5 20.57 +40 40.9 0.479 0.890 62.7 6.4 381 19
12.00 5 25.06 +43 2.4 0.485 0.895 63.1 6.4 371 20
13.00 5 29.73 +45 19.5 0.491 0.899 63.6 6.5 360 20
14.00 5 34.57 +47 32.0 0.498 0.904 64.1 6.6 349 21
15.00 5 39.61 +49 39.7 0.506 0.910 64.6 6.6 337 22
16.00 5 44.87 +51 42.3 0.515 0.915 65.1 6.7 326 22