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IAUC 7166: 1999 J3; C/1999 H1

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                                                  Circular No. 7166
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science)
URL http://cfa-www.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7244/7440/7444 (for emergency use only)


COMET 1999 J3
     An apparently asteroidal object discovered by LINEAR, and
noted on The NEO Confirmation Page, has been reported as cometary
by Klet observers.  The following CCD observations are available:

     1999 UT             R.A. (2000) Decl.        m1    Observer
     May  12.28325   15 49 41.93   +72 55 22.2   18.8   Blythe
          12.29285   15 49 38.33   +72 55 41.2   18.6     "
          12.31163   15 49 32.55   +72 56 11.7   18.7     "
          12.32404   15 49 28.92   +72 56 34.3   18.7     "
          13.88516   15 40 48.68   +73 40 46.6   17.7   Tichy
          13.89029   15 40 46.57   +73 40 56.4            "
          13.89142   15 40 46.43   +73 40 57.8            "

M. Blythe, F. Shelly, M. Bezpalko, and M. Elowitz (Socorro).  1-m
   f/2.15 LINEAR telescope.  Measurers J. Stuart, H. Viggh, and R.
   Sayer.
M. Tichy and Z. Moravec (Klet).  0.57-m f/5.2 reflector.  Comet
   diffuse with 6" coma.


COMET C/1999 H1 (LEE)
     Extension to ephemeris on IAUC 7153 (elements MPC 34421):

1999 TT     R. A. (2000) Decl.   Delta     r    Elong. Phase    m1
May  22     8 48.05   - 8 49.3   0.885   1.198   78.0   55.7    7.5
     24     8 44.63   - 5 50.9   0.921   1.170   74.3   56.4    7.5
     26     8 41.59   - 3 06.5   0.958   1.142   70.8   56.9    7.5
     28     8 38.86   - 0 34.9   0.996   1.114   67.3   57.1    7.5
     30     8 36.39   + 1 45.0   1.035   1.086   64.0   57.0    7.4
June  1     8 34.13   + 3 54.3   1.075   1.059   60.8   56.7    7.4
      3     8 32.05   + 5 54.1   1.115   1.032   57.7   56.2    7.4
      5     8 30.11   + 7 45.6   1.155   1.005   54.7   55.5    7.3
      7     8 28.28   + 9 29.5   1.196   0.979   51.8   54.5    7.3
      9     8 26.53   +11 06.7   1.236   0.954   48.9   53.4    7.3
     11     8 24.84   +12 38.0   1.275   0.929   46.1   52.0    7.2
     13     8 23.20   +14 04.1   1.314   0.904   43.4   50.5    7.2
     15     8 21.58   +15 25.6   1.351   0.881   40.7   48.7    7.1
     17     8 19.95   +16 42.9   1.388   0.859   38.0   46.8    7.0
     19     8 18.32   +17 56.6   1.423   0.837   35.4   44.7    7.0
     21     8 16.66   +19 07.1   1.457   0.817   32.8   42.4    6.9

                      (C) Copyright 1999 CBAT
1999 May 13                    (7166)            Daniel W. E. Green

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