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IAUC 2589: 1973n; NOTICE RE SUBSCRIPTIONS

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                                                  Circular No. 2589
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Cable Address: SATELLITES, NEWYORK
Western Union: RAPID SATELLITE CAMBMASS


COMET GEHRELS (1973n)
     Dr. Tom Gehrels, Lunar and Planetary Laboratory, reports the
discovery of a new comet on plates taken with the 122-cm Schmidt
telescope at Palomar.  R. Adams assisted.  Measurers: C. Vesely and
R. Sather.  The comet is diffuse, the coma somewhat overexposed,
and there is a fan tail about 2' long in p.a. 230o to 260o.

     1973 UT             R.A. (1950) Decl.        m1
     Sept.29.43700    1 38 24.51   +13 42 36.0   15-16
          30.37850    1 38 02.24   +13 37 34.8
     Oct.  4.46426    1 36 15.27   +13 14 11.4
           5.30419    1 35 51.91   +13 09 04.8

     The following parabolic and general elements, and the
corresponding ephemerides, have been determined by the undersigned.

        T = 1974 Apr. 13.6        T = 1974 Jan. 23.2 ET
    Peri. = 246.3             Peri. = 200.9
    Node  = 211.7             Node  = 214.7    1950.0
    Incl. =  11.3             Incl. =   7.4
        q =   1.810               q =   2.345 AU
        e =   1.0                 e =   0.448

1973 ET     R. A. (1950) Decl.     R. A. (1950) Decl.
Oct. 25    1 24.73   +10 43.2     1 25.16   +10 49.8
     30    1 21.70   +10 00.9     1 22.51   +10 12.3
Nov.  4    1 18.82   + 9 18.2     1 20.13   + 9 36.1
      9    1 16.19   + 8 36.1     1 18.14   + 9 02.2
     14    1 13.92   + 7 55.4     1 16.64   + 8 31.3
     19    1 12.10   + 7 17.2     1 15.67   + 8 04.3
     24    1 10.82   + 6 42.2     1 15.31   + 7 41.7
     29    1 10.14   + 6 11.2     1 15.58   + 7 23.8
Dec.  4    1 10.13   + 5 44.6     1 16.52   + 7 10.9


NOTICE CONCERNING SUBSCRIPTIONS
     Subscribers are requested to make all checks payable to the
"Central Bureau for Astronomical Telegrams" and to send them to the
complete postal address given above.


1973 October 31                (2589)              Brian G. Marsden

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