THE ASTRONOMER Electronic Circular No 245 1989 Jan 15 18.37UT.
Telecom Gold 72:MAG60138
Ed:Guy M Hurst, 16, Westminster Close, Kempshott Rise, Basingstoke,
Hants, RG22 4PP, England. Telephone:(0256)471074.Int:+44256471074
Telex:265871(MONREF G) Quote"72:MAG60138 ATT G.HURST"in FIRST line.
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COMET SHOEMAKER (1989e)
Brian Marsden telexes that Shoemaker has discovered a comet as
follows:
1989 Jan 13.52725UT RA 10h12.4m DEC +19 05' Mag 13
14.38489 10 11.0 +19 46
1989 AZ
A fast-moving asteroid has been found by C.S.and E.M.Shoemaker with
the 0.46-m Palomar Schmidt on Jan 8 at mag 17.
Ephemeris:
Jan 12 RA 09h36.06m DEC +15 44.9' Earth 0.134 Sun 1.102 V=15.9
14 09 23.50 +13 29.3
16 09 12.91 +11 34.8 0.160 1.133 16.1
18 09 03.90 +09 58.4
20 08 56.18 +08 37.4 0.188 1.166 16.4
IAUC 4713
COMET HELIN-ROMAN-CROCKETT (1989b)
Updated elements:
T =1988 June 30.40 ET Peri=357.53
e =0.1439 Node= 92.24 (1950)
q =3.4797 AU Incl= 4.36
a =4.0648 AU n=0.12027 P = 8.20 years
Ephemeris:
Jan 14 08h30.27m +21 59.5 Earth 2.577 Sun 3.546 14.6
24 08 23.19 +22 33.2
Feb 3 08 16.10 +23 03.4 2.592 3.560 14.6
13 08 09.71 +23 27.8
23 08 04.67 +23 45.0 2.723 3.574 14.7
IAUC 4714
1989 AC
Revised ephemeris(cfE-240):
Jan 24 05h49.50m +23 02.6
26 05 56.82 +23 07.7 0.330 1.266 13.7
28 06 03.55 +23 11.2
30 06 09.76 +23 13.3 0.373 1.302 14.0
Feb 1 06 15.54 +23 14.4
3 06 20.96 +23 14.5 0.418 1.338 14.3
5 06 26.06 +23 13.9
7 06 30.89 +23 12.7 0.466 1.374 14.6
IAUC 4715
COMET BRADFIELD (1989c)
Improved elements by Herald from 15 observations Jan 7-13:
T =1988 Dec. 5.477 ET Peri=195.969
Node= 27.485 (1950)
q =0.42654 AU Incl= 82.885
Ephemeris:
Jan 14 22h22.97m -51 53.0 1.472 1.019 11.9
24 23 24.91 -44 30.0 1.670 1.201 12.9
Feb 3 00 03.60 -37 41.7 1.893 1.376 13.8
13 00 30.72 -31 57.7 2.127 1.545 14.5
IAUC 4716
Guy M Hurst