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IAUC 6917: 1998cg; 1998ch; 1998ce; 1997eg

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                                                 Circular No. 6917
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Mailstop 18, 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)
URL http://cfa-www.harvard.edu/iau/cbat.html
Phone 617-495-7244/7440/7444 (for emergency use only)


SUPERNOVA 1998cg IN ANONYMOUS GALAXY
     A. Gal-Yam and D. Maoz, Tel Aviv University, report their
discovery of an apparent supernova (R about 18.5) on unfiltered CCD
images taken with the Wise Observatory 1-m telescope on May 1.  The
supernova is located at R.A. = 12h18m18s.13, Decl. = +20o44'26".05
(equinox 2000.0), which is 0".4 east and 4" south of the nucleus of
its host galaxy in the foreground of the galaxy cluster Abell 1514.
The star was not visible in images obtained on Apr. 6 (limiting mag
R about 21), but was confirmed on CCD images taken by J. Dan on May
13 (R about 19.5) with the same telescope.  Further details and
finding charts can be obtained via
ftp://wise3.tau.ac.il/ftp/pub/dani/SN1.ps or by e-mail
(avishay@wise.tau.ac.il).


SUPERNOVA 1998ch IN ANONYMOUS GALAXY
     L. Germany reports the discovery of an apparent supernova (V =
20.3) by the Mount Stromlo Abell Cluster Supernova Search Team (cf.
IAUC 6639, 6893) on V and R CCD images taken on May 18 (limiting
mag V = 20.5) by S. Chan at the Mount Stromlo 1.27-m telescope (+
Macho Camera).  SN 1998ch is located near Abell 3559 at R.A. =
13h29m13s.31, Decl. = -29o17'26".8 (equinox 2000.0), and is offset
1".3 west and 1".8 south from the center of its host galaxy.  A
nearby star has position end figures 14s.53, 16'52".6.  SN 1998ch
was not visible on similar images taken on Apr. 30 (limiting mag V
= 21.5) but was confirmed by S. Sabine with the same telescope on
May 26 (limiting mag V = 21.5).


SUPERNOVA 1998ce IN MCG -4-24-19
     J. Maza, Department of Astronomy, University of Chile, reports
the independent discovery of this supernova (B about 16.5) by
Marina Wischnjewsky, on a T-Max 400 film taken by L. E. Gonzalez
with the Maksutov telescope at Cerro El Roble on May 19.99 UT.  The
object was not present on a film obtained on Apr. 29 (B > 19).


SUPERNOVA 1997eg IN NGC 5012
     J. Mueller reports that a IV-N plate taken on May 16 with the
1.2-m Oschin Telescope in the course of the second Palomar Sky
Survey shows SN 1997eg at mag 16.

                      (C) Copyright 1998 CBAT
1998 May 26                    (6917)            Daniel W. E. Green

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