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THE ASTRONOMER Electronic Circular No 1257      1997 Dec 12 19.13UT
Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise,  Basingstoke,
Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074
INTERNET: GUY@TAHQ.DEMON.CO.UK             GMH at AST.STAR.RL.AC.UK
WORLD WIDE WEB                    http://www.demon.co.uk/astronomer
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SUPERNOVAE 1997dv-1997dz
The High-Z Supernova Search Team (IAUC 6160, 6646) reports the
discovery of five supernovae on CCD images taken at the Canada-
France-Hawaii Telescope by P. Garnavich, Harvard-Smithsonian Center
for Astrophysics (CfA); and H. Dahle, G. Luppino, and D. Clowe,
University of Hawaii (UH):
SN        1997 UT       R.A.  (2000)  Decl.      I      z    type
1997dv    Oct. 29    4 15 00.01  + 5 32 06.1    23.0    ?     ?
1997dw    Oct. 29    4 14 49.05  + 5 54 51.9    21.2    ?     ?
1997dx    Oct. 29    1 38 21.10  -12 43 22.8    22.5   0.21   Ia
1997dy    Nov.  1    4 16 35.32  + 5 47 03.1    23.9
1997dz    Nov.  1    1 56 03.69  -13 43 06.4    22.3
IAUC 6779 (extract)

SUPERNOVA 1997ea IN AN ANONYMOUS GALAXY
The University of Texas McDonald Observatory Supernova Search
Team (M. T. Adams, T. Montemayor, D. A. Howell, J. C. Wheeler,
M. H.Ward, and W. Wren) report their discovery of a supernova
(R about 19) on three Kron-Cousins R-band CCD images of Abell 595
(z =0.0689) taken on Nov. 30.39-30.40 UT with the 0.76-m telescope.
SN 1997ea is located at R.A. = 7h48m37s.70, Decl. = +52o13'22".8
(equinox 2000.0), which is about 9" east and 3" north of the
nucleus of the apparent host elliptical galaxy.
IAUC 6781

SUPERNOVAE 1997eb-1997ee
N. Regnault and O. Perdereau, Orsay, on behalf of the EROS
collaboration, report the discovery of four apparent supernovae in
their systematic search with a 1-deg- square CCD camera on the
Marly 1-m telescope at the European Southern Observatory (ESO):

SN       Date UT     R.A. (2000.0) Decl.      V          Offset
1997eb   Nov. 19   2h53m00.15  - 3 36 38.1   21      2".4 W, 1".8 N
1997ec   Nov. 20   3h49m07.82  - 1 44 26.7   21      1".8 W, 2".7 N
1997ed   Nov. 22   3h46m56.52  + 0 41 45.4   21      1".2 E, 2".4 N
1997ee   Nov. 23   3h07m24.82  - 3 10 26.7   20.5    3".6 W, 7".8 S
IAUC 6782

SUPERNOVA 1997ef IN UGC 4107
S. Nakano, Sumoto, Japan, reports the discovery by Yasuo Sano,
Nayoro, Hokkaido, of a possible supernova (R = 16.7) on ten CCD
frames taken around Nov. 25.582 UT with a 0.28-m f/6.3 reflector (+
R filter).  The object is located at R.A. = 7h57m02s.82, Decl. =
+49o33'40".2 (equinox 2000.0), which is about 10" east and 20"
south of the centre of UGC 4107.  R. Kushida, Yatsugatake South
Base Observatory, provides the following position end figures
(measured by Y. Kushida) from an unfiltered CCD image that she
obtained on Nov. 26.81 (when the supernova suspect was at mag 16.1)
with a 0.40-m f/5 reflector:  02s.87, 41".3.
IAUC 6778 (extract)
A. V. Filippenko, University of California at Berkeley (UCB),
reports that he has examined a spectrum (range 470-1020 nm,
resolution 1.5 nm) of SN 1997ef, obtained by E. L. Martin (UCB) on
Dec. 10 with the 3-m Shane reflector at Lick Observatory:  "The
spectrum superficially resembles that of a supernova but in detail
is unlike that of any known type of supernova; the features are
unusually broad (FWHM 50 nm).
IAUC 6783 (extract)
Guy M Hurst