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THE ASTRONOMER Electronic Circular No 1335      1998 Aug 26 18.00UT
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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SUPERNOVA 1998dq IN NGC 6754
Brett White, Linden, New South Wales, has reported -- directly
and via R. Evans (Hazelbrook, N.S.W.) and B. Schmidt (Mount Stromlo
and Siding Spring Observatories) -- his visual discovery with a
0.41-m reflector on Aug. 23.4 UT of an apparent supernova located
about 18" west of the nucleus of NGC 6754; the visual magnitude of
the new star was reported by Evans as being 14.3.  An image
obtained by T. Dobosz (Nepean Astronomy Centre) on Aug. 24 yielded
an offset of 20" west.  Schmidt reports that BVRI CCD images
obtained on the MSSSO 0.76-m telescope by B. Crook on Aug. 23.6
show a new blue object at R.A. = 19h11m23s.78, Decl. = -50o38'25".5
(equinox 2000.0), which is 18".7 west and 5" north of the galaxy
nucleus.  SN 1998dq is located about 5" from SN 1998X, is clearly a
new object, and is extremely blue (B-V about 0).  SN 1998dq is also
seen on CCD images taken on Aug. 24.6 by A. Gutierrez with the
Mount Stromlo 0.76-m telescope.  Comparison with the discovery
images of SN 1998X (cf. IAUC 6847) shows that SN 1998dq is not
present on Mar. 13.9 to a limiting magnitude of R = 18.
IAUC 6998 (extract)

Martin Mobberley