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IAUC 5628: 1992 SK; N Pup 1991

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                                                  Circular No. 5628
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@CFA or GREEN@CFA (.SPAN, .BITNET or .HARVARD.EDU)


1992 SK
     E. F. Helin reports the discovery by J. Alu and herself of a
fast-moving asteroidal object on films taken by Helin, Alu, K.
Lawrence, and P. Rose with the Palomar 0.46-m Schmidt.  R. H.
McNaught also reports his measures of U.K. Schmidt films taken by
K. S. Russell on Oct. 5.

     1992 UT             R.A. (2000) Decl.       Mag.   Observer
     Sept.24.44948    1 38 28.55   + 9 57 17.8   17     Helin
          24.47240    1 38 23.34   + 9 57 34.9            "
          26.42882    1 31 48.22   +10 21 02.2            "
          26.44983    1 31 43.90   +10 21 15.3            "
     Oct.  5.62760    1 00 49.88   +11 48 28.7          Russell
           5.63802    1 00 47.98   +11 48 31.5            "

     Orbital elements by G. V. Williams, Center for Astrophysics:

     T = 1992 May  18.073 TT          Peri. = 233.860
     e = 0.31960                      Node  =   8.977   2000.0
     q = 0.84705 AU                   Incl. =  14.958
       a =  1.24492 AU     n = 0.709563     P =   1.39 years

1992 TT     R. A. (2000) Decl.   Delta     r    Elong. Phase    V
Oct.  5     1 02.89   +11 43.5   0.421   1.418  171.7    5.8   15.8
     10     0 47.14   +12 16.4   0.441   1.437  173.2    4.7   15.9
     15     0 33.02   +12 39.8   0.466   1.455  167.4    8.6   16.2
     20     0 20.94   +12 55.9   0.496   1.473  160.5   13.1   16.6
     25     0 11.08   +13 07.3   0.532   1.489  153.7   17.2   16.9
     30     0 03.47   +13 16.4   0.571   1.505  147.2   20.9   17.2
Nov.  4    23 57.99   +13 25.1   0.614   1.520  141.3   24.1   17.5
      9    23 54.46   +13 35.0   0.661   1.534  135.7   26.8   17.7
     14    23 52.65   +13 46.7   0.710   1.548  130.6   29.1   18.0


NOVA PUPPIS 1991
     Additional photometry (cf. IAUC 5566) by A. C. Gilmore, Mt.
John University Observatory:  Sept. 17.67 UT, V = 11.86 +/- 0.02,
B-V = -0.03 +/- 0.03, U-B = -1.06 +/- 0.03, V-R = +0.59 +/- 0.02,
V-I = +0.54 +/- 0.05.


1992 October 6                 (5628)            Daniel W. E. Green

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