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IAUC 2945: 1965 VI; 1975e

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                                                  Circular No. 2945
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 KLEMOLA (1965 VI)
     The following variational ephemerides are based on the
prediction in Handb. Br. Astron. Assoc. for 1976.  The comet should
attain total magnitude 15-17 around July-September.

                dT =  -40d         dT = -30d           dT = -20d
   1976 ET   R. A. (1950) Decl.  R. A. (1950) Decl.  R. A. (1950) Decl.
   May  22    22 24.1  + 0 37     22 03.5  - 0 14     21 42.0  - 1 06
   June  1    22 45.8  + 2 40     22 23.8  + 1 47     22 00.8  + 0 52
        11    23 06.9  + 4 38     22 43.6  + 3 43     22 18.9  + 2 46
        21    23 27.4  + 6 25     23 02.7  + 5 30     22 36.2  + 4 31
   July  1    23 46.9  + 7 59     23 20.8  + 7 04     22 52.3  + 6 02
        11     0 05.2  + 9 14     23 37.6  + 8 18     23 06.9  + 7 14
        21     0 21.9  +10 06     23 52.7  + 9 09     23 19.8  + 8 00
        31     0 36.5  +10 32      0 05.5  + 9 30     23 30.4  + 8 14
   Aug. 10     0 48.5  +10 27      0 15.8  + 9 18     23 38.5  + 7 52
        20     0 57.4  + 9 50      0 23.2  + 8 31     23 43.9  + 6 51
        30     1 03.1  + 8 42      0 27.4  + 7 09     23 46.7  + 5 14
   Sept. 9     1 05.5  + 7 04      0 28.8  + 5 18     23 47.5  + 3 10
        19     1 05.0  + 5 06      0 28.1  + 3 08     23 47.2  + 0 53
        29     1 02.4  + 2 59      0 26.2  + 0 56     23 46.8  - 1 20
   Oct.  9     0 58.9  + 0 59      0 24.3  - 1 03     23 47.3  - 3 12
        19     0 55.7  - 0 42      0 23.4  - 2 37     23 49.5  - 4 35
        29     0 53.8  - 1 56      0 24.3  - 3 40     23 53.7  - 5 26
   Nov.  8     0 53.8  - 2 38      0 27.2  - 4 11     23 59.8  - 5 45
        18     0 56.0  - 2 52      0 32.1  - 4 14      0 07.7  - 5 37

                dT =  -10d          dT = 0d            dT = +10d
   1976 ET   R. A. (1950) Decl.  R. A. (1950) Decl.  R. A. (1950) Decl.
   May  22    21 19.8  - 3 32     20 56.9  - 1 57     20 33.6  - 2 46
   June  1    21 36.6  - 0 03     21 11.6  - 0 58     20 45.8  - 1 51
        11    21 52.7  + 1 46     21 25.2  + 0 46     20 56.7  - 0 14
        21    22 07.6  + 3 27     21 37.4  + 2 20     21 05.8  + 1 12
   July  1    22 21.3  + 4 54     21 48.0  + 3 40     21 13.1  + 2 22
        11    22 33.2  + 5 59     21 56.8  + 4 36     21 18.4  + 3 07
        21    22 43.3  + 6 37     22 03.6  + 5 03     21 21.7  + 3 20
        31    22 51.1  + 6 41     22 08.2  + 4 52     21 23.2  + 2 54
   Aug. 10    22 56.6  + 6 05     22 11.0  + 4 02     21 23.7  + 1 50
        20    22 59.9  + 4 49     22 12.6  + 2 32     21 24.1  + 0 10
        30    23 01.6  + 2 58     22 13.6  + 0 31     21 25.4  - 1 54
   Sept. 9    23 02.4  + 0 45     22 15.2  - 1 45     21 28.6  - 4 06
        19    23 03.3  - 1 34     22 18.3  - 3 59     21 34.3  - 6 10
        29    23 05.3  - 3 40     22 23.4  - 5 55     21 42.6  - 7 54
   Oct.  9    23 09.1  - 5 22     22 30.7  - 7 23     21 53.4  - 9 10
        19    23 14.8  - 6 32     22 40.1  - 8 20     22 06.4  - 9 56
        29    23 22.5  - 7 09     22 51.4  - 8 46     22 21.1  -10 12
   Nov.  8    23 32.0  - 7 16     23 04.3  - 8 43     22 37.0  -10 02
        18    23 43.0  - 6 58     23 18.3  - 8 16     22 53.8  - 9 29

                dT =  -10d          dT = 0d            dT = +10d
   1976 ET   R. A. (1950) Decl.  R. A. (1950) Decl.  R. A. (1950) Decl.
   May  22    20 10.0  - 4 15     19 46.4  - 4 54     19 23.1  - 5 27
   June  1    20 19.7  - 2 41     19 53.4  - 3 26     19 27.5  - 4 06
        11    20 27.6  - 1 12     19 58.4  - 2 06     19 29.6  - 2 54
        21    20 33.5  + 0 05     20 01.1  - 0 58     19 29.4  - 1 55
   July  1    20 37.3  + 1 04     20 01.7  - 0 10     19 27.   - 1 17
        11    20 39.1  + 1 36     20 00.4  + 0 10     19 23.4  - 1 08
        21    20 39.2  + 1 35     19 57.9  - 0 03     19 19.       29
        31    20 38.2  + 0 57     19 55.2  - 0 52     19 15.9  - 2 23
   Aug. 10    20 37.2  - 0 18     19 53.6  - 2 11     19 14.4  - 3 43
        20    20 37.3  - 2 02     19 54.2  - 3 54     19 16.0  - 5 21
        30    20 39.6  - 4 04     19 57.9  - 5 48     19 21.1  - 7 08
   Sept. 9    20 44.7  - 6 07     20 05.0  - 7 42     19 30.0  - 8 52
        19    20 53.0  - 8 00     20 15.6  - 9 24     19 42.4  -10 26
        29    21 04.3  - 9 32     20 29.4  -10 48     19 58.0  -11 44
   Oct.  9    21 18.3  -10 38     20 45.8  -11 48     20 16.2  -12 40
        19    21 34.3  -11 17     21 04.3  -12 22     20 36.5  -13 12
        29    21 51.9  -11 27     21 24.2  -12 30     20 58.1  -13 21
   Nov.  8    22 10.5  -11 13     21 45.0  -12 14     21 20.7  -13 05
        18    22 29.8  -10 36     22 06.4  -11 36     21 43.8  -12 29


PERIODIC COMET SMIRNOVA-CHERNYKH (1975e)
     The following precise positions have been reported:

     1976 UT             R. A. (1950) Decl.        m1    Observer
     Jan.  5.43573    13 47 16.72   - 4 43 30.2          Shao
     Mar.  8.05934    14 07 49.29   - 5 26 42.3   15-16  Chernykh
          11.04908    14 07 07.33   - 5 20 33.3   15-16    "

C. Y. Shao (Harvard College Observatory, Agassiz Station).
N. S. Chernykh (Crimean Astrophysical Observatory).  Reduced at
   I.T.A., Leningrad.  Mar. 8: condensed nebulosity ~ 15" in diameter.
   Mar. 11: faint tail to the west, 15-20" long.


1976 April 30                  (2945)              Brian G. Marsden

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