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IAUC 4956: 1990a; N LMC 1990

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IAUC number 

                                                  Circular No. 4956
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Telephone 617-495-7244/7440/7444 (for emergency use only)
TWX 710-320-6842 ASTROGRAM CAM     EASYLINK 62794505
MARSDEN or GREEN@CFA.BITNET    MARSDEN or GREEN@CFAPS2.SPAN


COMET WILD (1990a)
     Further precise positions have been reported as follows:

     1990 UT             R.A. (1950) Decl.        m1    Observer
     Jan. 24.69340    9 32 43.34   +20 49 55.3   12.0   Seki
          24.70382    9 32 42.96   +20 49 58.0            "
          25.49930    9 32 09.58   +20 53 00.8   13.0   Hayakawa
          25.51319    9 32 08.93   +20 53 05.0            "
          25.66736    9 32 02.12   +20 53 41.9          Niijima
          25.68438    9 32 01.32   +20 53 45.3            "
          26.54618    9 31 23.98   +20 57 03.4   13.0   Endate
          26.55938    9 31 23.28   +20 57 05.2            "
          26.98772    9 31 04.20   +20 58 44.6          Manning

T. Seki (Geisei).  0.6-m reflector.
S. Hayakawa (YGCO Nagano Station).
T. Niijima and T. Urata (Ojima).  Measurer Urata.
K. Endate (Kitami).  Measurer K. Watanabe.
B. Manning (Stakenbridge).   Communicated by G. M. Hurst.

     Elliptical orbital elements from 15 observations Jan. 21-26:

     T = 1990 July 4.419 ET          Peri. = 173.501
     e = 0.42538                      Node  =  20.556   1950.0
     q = 1.95048 AU                   Incl. =   3.730
       a =  3.39437 AU     n = 0.157603     P =   6.25 years

     1990 ET      R.A. (1950) Decl.     Delta      r       m1
     Jan. 29     9 29.53    +21 06.6    1.322    2.296    13.2
     Feb.  3     9 25.42    +21 25.5
           8     9 21.02    +21 43.3    1.276    2.258    13.1
          13     9 16.51    +21 58.9
          18     9 12.05    +22 11.7    1.255    2.222    13.0


NOVA IN THE LARGE MAGELLANIC CLOUD 1990
     A. C. Gilmore, Mount John Observatory, communicates the following
additional photoelectric photometry (uncertainty about 0.04 mag),
obtained by P. M. Kilmartin with the 0.61-m Cassegrain reflector:
Jan. 24.52 UT, V = 14.39, B-V = -0.34, V-R = +0.60.


1990 January 31                (4956)              Brian G. Marsden

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