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IAUC 2274: 1970g; N Sct 1970

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                                                  Circular No. 2274
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


COMET ABE (1970g)
     The following precise positions have been reported:

     1970 UT             R. A. (1950) Decl.       Mag.   Observer
     July 25.78912     2 18 27.54   +34 04 05.3          Seki
          25.79259     2 18 27.26   +34 04 13.0            "
          26.73680     2 18 04.88   +34 41 20.5            "
          26.78993     2 18 03.70   +34 43 29.8            "
          27.77396     2 17 36.90   +35 23 27.0            "
          27.78889     2 17 36.59   +35 24 0?.9            "
          28.69063     2 17 08.89   +36 01 52.5            "
          28.70313     2 17 08.65   +36 02 23.0            "
     Aug.  1.07206     2 14 52.07   +38 34 30.4          Milet
           3.79201     2 12 16.06   +40 50 53.2          Seki
           3.80313     2 12 15.47   +40 51 23.3            "
          11.71808     1 58 28.12   +48 55 04.1            "
          11.73125     1 58 26.25   +48 55 55.9            "
          11.73576     1 58 25.54   +48 56 15.0            "
          14.96884     1 48 15.00   +52 57 20.0    6.5   Rutter

T. Seki (Kochi Observatory).
B. Milet (Nice Observatory).
G. H. Rutter (Woolston Observatory).  Communicated by R. L. Waterfield

     The following improved parabolic elements and ephemeris have
been calculated by the undersigned from 46 observations July 5 to
August 14:

       T = 1970 Oct. 20.698 ET   Peri. =  96.589
                                 Node  =  21.002   1950.0
       q = 1.11238 AU            Incl. = 126.721

     1970 ET     R. A. (1950) Decl.     Delta     r     Mag.
     Sept. 2    20 42.00    +73 54.1
           3    20 07.79    +73 14.5    0.811   1.350    5.8
           4    19 36.62    +72 14.6
           5    19 09.11    +70 57.6    0.809   1.332    5.8
           6    18 45.36    +69 27.0
     Sept. 7    18 25.10    +67 46.2    0.812   1.315    5.7
           8    18 07.88    +65 58.0
           9    17 53.25    +64 04.6    0.822   1.299    5.7
          10    17 40.78    +62 08.2
          11    17 30.10    +60 10.1    0.837   1.283    5.7
          12    17 20.90    +58 11.6
          13    17 12.93    +56 13.7    0.856   1.268    5.7
          14    17 05.98    +54 17.2
          15    16 59.89    +52 22.7    0.881   1.253    5.7
          16    16 54.52    +50 30.5
          17    16 49.76    +48 41.1    0.909   1.238    5.7
          18    16 45.53    +46 54.6
          19    16 41.74    +45 11.4    0.941   1.225    5.7
          20    16 38.33    +43 31.4
          21    16 35.26    +41 54.7    0.976   1.212    5.8

          26    16 23.65    +34 40.7
     Oct.  1    16 16.08    +28 42.1    1.181   1.158    6.0
           6    16 10.87    +23 45.5
          11    16 07.11    +19 37.9    1.406   1.124    6.2
          16    16 04.30    +16 08.3
          21    16 02.14    +13 08.0    1.622   1.112    6.5
          26    16 00.45    +10 30.7
          31    15 59.10    + 8 11.5    1.813   1.125    6.8

              Mag. = 5.0 + 5 log Delta + 10 log r


NOVA SCUTI 1970
     Mr. T. Seki, Kochi, provides the following position:

     R.A. 1950  = 18h42m59s.89 +/- 0s.06,
     Decl. 1950 =  -8o36'13".3 +/- 0".6.

The following visual magnitudes have been reported:

     1970 UT      mv      Observer
     Aug. 7.67    7.7     Seki
         11.12    8.6     Bailey
         16.17    8.6       "
         18.10    8.8       "

T. Seki (Kochi Observatory).
R. R. Bailey (Houston, Texas).  12.5 inch reflector.


1970 September 1               (2274)              Zdenek Sekanina

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