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IAUC 6352: 1996O; C/1995 Y1

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                                                  Circular No. 6352
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science)
Phone 617-495-7244/7440/7444 (for emergency use only)


SUPERNOVA 1996O IN MCG 03-41-115
     B. Schmidt, Mount Stromlo and Siding Spring Observatories, e-mails:
"R. O. Evans reports his discovery of a supernova of mag about 18
on a U.K. Schmidt R film taken by P. Cass on Mar. 21 as part of the
U.K. Schmidt Supernova Search.  SN 1996O is located at R.A. = 16h06m00s,
Decl. = +18d11'.8 (equinox 2000.0), 20" west and 2" south of the
nucleus of MCG 03-41-115.  The object was not visible on a similar film
taken in Aug. 1995.  A spectrum (range 550-900 nm) obtained with the
Anglo-Australian Telescope on Mar. 23.7 by L. Germany (MSSO), B. Schmidt
(MSSO) and R. Stathakis (Anglo Australian Observatory), shows the object to
be a type Ia supernova, approximately 50 days past maximum.  The redshift
of the supernova, determined from narrow H alpha emission in the host
galaxy, is z = 0.03."


COMET C/1995 Y1 (HYAKUTAKE)
     Ephemeris continuation (cf. IAUC 6293) from the orbital elements
on MPC 26723:

1996 TT     R. A. (2000) Decl.     Delta      r    Elong. Phase      m1
Mar. 18    20 43.14    +21 07.1    1.436    1.120   51.0   43.7      9.3
     23    21 03.10    +23 20.3    1.492    1.151   50.4   41.9      9.5
     28    21 21.88    +25 16.7    1.549    1.186   49.9   40.1      9.7
Apr.  2    21 39.48    +26 58.1    1.607    1.225   49.6   38.4      9.9
      7    21 55.93    +28 26.6    1.665    1.268   49.4   36.9     10.1
     12    22 11.27    +29 44.2    1.722    1.313   49.4   35.4     10.4
     17    22 25.56    +30 52.5    1.777    1.362   49.6   34.2     10.6
     22    22 38.84    +31 53.0    1.828    1.412   50.1   33.1     10.8
     27    22 51.15    +32 46.8    1.877    1.464   50.7   32.1     11.0
May   2    23 02.55    +33 35.0    1.922    1.518   51.6   31.4     11.2
      7    23 13.07    +34 18.3    1.963    1.574   52.8   30.7     11.4
     12    23 22.77    +34 57.4    2.001    1.630   54.2   30.2     11.6
     17    23 31.65    +35 32.9    2.034    1.687   55.8   29.7     11.8
     22    23 39.74    +36 05.1    2.062    1.744   57.6   29.4     12.0
     27    23 47.05    +36 34.2    2.087    1.802   59.7   29.0     12.2

     Total visual magnitude estimates: Mar. 5.16 UT, 8.2 (K. Hornoch,
Lelekovice, Czech Republic, 0.35-m reflector); 9.16, 8.8 (Hornoch);
14.51, 8.7 (A. Hale, Cloudcroft, NM, 0.41-m reflector); 16.09, 8.5
(Hornoch); 20.11, 8.6 (Hornoch); 21.21, 8.7 (A. Pereira, Cabo da Roca,
Portugal, 0.15-m reflector); 23.48, 9.1 (Hale).

                      (C) Copyright 1996 CBAT
1996 March 24                  (6352)              Brian G. Marsden

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