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IAUC 5303: 1991s; 1991h; V854 Cen

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IAUC number 

                                                  Circular No. 5303
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


PERIODIC COMET WIRTANEN (1991s)
     S. Nakano, Sumoto, Japan, reports that T. Seki, Geisei, has
recovered this comet as shown below.  The object is diffuse with
condensation, and the indicated correction to the prediction on MPC
13046 (ephemeris on MPC 18148) is delta T = -0.05 day.

     1991 UT             R.A. (1950) Decl.       m1
     July  8.76666    3 12 02.7    + 8 03 58     17
           8.77500    3 12 04.2    + 8 04 01
           8.78472    3 12 06.3    + 8 04 10
           8.79063    3 12 07.3    + 8 04 12
           9.77743    3 15 32.12   + 8 19 56.5   17
           9.78333    3 15 33.57   + 8 20 03.8


PERIODIC COMET TAKAMIZAWA (1991h)
     Continuation to the ephemeris on IAUC 5192:

     1991 ET      R.A. (1950) Decl.     Delta      r       m1
     July  3    14 05.80    + 1 22.3    1.029    1.658    15.9
          13    14 18.34    - 1 22.7
          23    14 34.03    - 4 19.9    1.113    1.612    15.8
     Aug.  2    14 52.55    - 7 22.7
          12    15 13.63    -10 25.4    1.216    1.591    15.9
          22    15 37.03    -13 21.8
     Sept. 1    16 02.45    -16 05.7    1.341    1.596    16.2
          11    16 29.59    -18 31.9
          21    16 58.14    -20 35.8    1.495    1.628    16.5
     Oct.  1    17 27.66    -22 13.8
          11    17 57.75    -23 24.2    1.681    1.684    17.0
          21    18 27.99    -24 06.2
          31    18 57.95    -24 20.9    1.897    1.760    17.6


V854 CENTAURI
     The following photometry, by T. E. Harrison and G. Stringfellow,
was carried out on June 22.60 UT as indicated on IAUC 5300: J = 9.81
+/- 0.05, H = 7.43 +/- 0.05, K = 5.27 +/- 0.05, L = 2.86 +/- 0.10,
M = 1.60 +/- 0.20.


1991 July 11                   (5303)              Brian G. Marsden

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