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IAUC 2775: 1975a; 1975b

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IAUC number 

                                                  Circular No. 2775
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Cable Address: SATELLITES, NEWYORK
Western Union: RAPID SATELLITE CAMBMASS


PERIODIC COMET BOETHIN (1975a)
     The following precise positions have been reported:

     1975 UT             R. A. (1950) Decl.       m1   m2   Observer
     Feb.  8.48160     1 26 50.98   +13 54 30.2             Suzuki
           8.48681     1 26 52.36   +13 54 43.6               "
           9.43125     1 31 01.54   +14 22 51.0               "
           9.43924     1 31 03.61   +14 23 09.9               "
          11.46354     1 39 57.47   +15 22 33.9               "
          15.40104     1 57 19.10   +17 12 37.0             Urata
          15.40498     1 57 20.35   +17 12 46.8               "
     Apr.  3.47361     5 10 53.3    +28 29 46    16         Seki
           9.14236     5 30 43.51   +28 42 26.7      ~18.5  Roemer
           9.19028     5 30 53.27   +28 42 30.1               "

K. Suzuki (JCPM Oi Station).  Long. = -137o21'21", Lat. = +35o10'10", h =
   420 m.  Measurer: T. Urata.  From Nihondaira Obs. Circ. No. 647.
T. Urata (Nihondaira Observatory).  Correction to IAUC 2758.
T. Seki (Kochi Observatory, Geisei Station).  40-cm f/5 reflector.
   From Orient. Astron. Assoc. Comet Bull. No. 102.
E. Roemer (Lunar and Planetary Laboratory, Catalina Station).  154-cm
   reflector.  Comet pretty well condensed.  Measurer: Carolyn
   C. McCarthy.


PERIODIC COMET WEST-KOHOUTEK-IKEMURA (1975b)
     The following precise positions have been reported:

     1975 UT             R. A. (1950) Decl.        m1    Observer
     Feb. 28.46510     2 48 07.79   +16 11 51.0          Suzuki
          28.47083     2 48 08.46   +16 12 00.8            "
     Mar.  2.46215     2 53 12.82   +17 18 17.4            "
           8.43125     3 08 55.30   +20 30 35.0   14     Kojima
           8.43836     3 08 56.47   +20 30 47.1            "
     Apr.  3.49097     4 27 02.19   +32 08 16.7   15     Seki

K. Suzuki (JCPM Oi Station).  From Nihondaira Obs. Circ. No. 647.
N. Kojima (Ishiki) and T. Seki (Geisei).  Measurer: Seki.  From
   Orient. Astron. Assoc. Comet Bull. No. 102.


1975 May 5                     (2775)              Brian G. Marsden

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