Central Bureau for Astronomical Telegrams
IAUC 4239: 1986j; 1986i
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Read IAUC 4240
Circular No. 4239
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
TWX 710-320-6842 ASTROGRAM CAM Telephone 617-495-7244/7440/7444
PERIODIC COMET COMAS SOLA (1986j)
This comet has been recovered by T. Gehrels and J. Scotti
with the SPACEWATCH camera 0.91-m telescope on Kitt Peak. There
is an indication of a tail 6" long in p.a. 260. The correction
to the prediction on MPC 10521/10637 is Delta-T = +0.01 day.
1986 UT R.A. (1950.0) Decl. m1
July 30.41280 0 59 56.05 - 8 43 05.5 20
30.44433 0 59 56.35 - 8 43 09.6
30.46638 0 59 56.56 - 8 43 12.7
31.42765 1 00 06.64 - 8 45 08.7
31.45382 1 00 06.86 - 8 45 11.1
COMET CHURYUMOV-SOLODOVNIKOV (1986i)
The following precise positions have been reported:
1986 UT R.A. (1950.0) Decl. Observer
July 27.31319 21 26 26.84 -20 08 35.2 Tatum
27.33686 21 26 23.88 -20 09 25.3 Gehrels
27.34505 21 26 22.68 -20 09 43.4 "
27.35837 21 26 20.80 -20 10 13.7 "
J. B. Tatum (University of Victoria).
T. Gehrels (Kitt Peak). SPACEWATCH reduction by J. Scotti.
Parabolic orbital elements from observations July 15-27:
T = 1986 May 5.196 ET Peri. = 157.292
Node = 133.914 1950.0
q = 2.63695 AU Incl. = 114.868
1986 ET R.A. (1950.0) Decl. p r m1
July 29 21 22.40 -21 12.0 1.785 2.784 12.7
Aug. 3 21 09.95 -24 16.9
8 20 57.05 -27 13.1 1.818 2.820 12.8
13 20 44.00 -29 56.5
18 20 31.11 -32 24.1 1.911 2.858 13.0
23 20 18.67 -34 34.4
28 20 06.96 -36 27.5 2.057 2.900 13.2
Sept. 2 19 56.17 -38 04.2
7 19 46.47 -39 26.1 2.241 2.944 13.4
1986 July 31 (4239) Brian G. Marsden
Read IAUC 4240
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