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IAUC 3275: 1978l; 1978j

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IAUC number 

                                                  Circular No. 3275
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
TWX 710-320-6842 ASTROGRAM CAM     Telephone 617-864-5758


COMET MACHHOLZ (1978l)
     The following precise positions have been reported:

     1978 UT             R. A. (1950) Decl.        m1    Observer
     Sept.14.32997     6 38 00.98   -19 51 46.9   11     Schuster
          16.81944     6 36 07.69   -21 56 11.9   11     Seki

H.-E. Schuster (European Southern Observatory).  Comet very diffuse.
   Measurer: R. M. West.
T. Seki (Kochi Observatory, Geisei Station).

     Further total visual magnitude estimates by D. Machholz, Los
Gatos, CA (25-cm reflector): Sept. 23.52 UT, 10.6; 28.49, 10.8.


PERIODIC COMET HANEDA-CAMPOS (1978j)
     Further precise positions have been reported as follows:

     1978 UT             R. A. (1950) Decl.        m1    Observer
     Aug.  9.14986    20 41 17.94   -19 12 17.8   11     Pizarro
     Sept. 2.48715    20 52 21.51   -29 57 21.2   11     Urata
           2.48979    20 52 21.68   -29 57 26.5            "
           3.14600    20 53 17.18   -30 ie 43.8          Roman

G. Pizarro, H.-E. Schuster, G. Roman and N. Vogt (European Southern
   Observatory).  100-cm Schmidt telescope on Aug. 9 (prediscovery
   observation), 40-cm astrograph on Sept. 3.  Images very diffuse,
   uncondensed on the astrograph plate.  Measurer: R. M. West.
T. Urata (JCPM Yakiimo Sta.).  From Nihondaira Obs. Circ. No. 1009.

     The Aug. 9 observation confirms the Palomar one on Aug. 10 and
thus the second set of elements on IAUC 3271.  Resulting ephemeris:

     1978 ET     R. A. (1950) Decl.     Delta     r      m1
     Sept.29    22 38.57    -43 57.7    0.162   1.110   10.0
     Oct.  4    23 18.30    -44 47.3
           9     0 01.53    -44 10.5    0.154   1.102    9.9
          14     0 44.10    -42 00.9
          19     1 22.24    -38 32.1    0.160   1.109   10.0
          24     1 54.03    -34 10.5
          29     2 19.34    -29 23.7    0.179   1.132   10.3


1978 September 29              (3275)              Brian G. Marsden

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