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THE ASTRONOMER Electronic Circular No 1663      2001 Aug 01 13.59UT
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 2001dk IN UGC 913 (Q2001/238)
On 2001 July 30, a message was received from Tom Boles that he
had recorded a suspected supernova in UGC 913 on a single 60 sec
integration on July 29 at 23.45UT. Mark Armstrong responded to
the appeal issued to the TA Checking Group and his astrometry
using 11 GSC stars with Astrometrica software gave a similar
position to that of the discovery. Dave Balam in Victoria, Canada
also responded by sending an image showing the suspect secured
on 2001 July 31 at 11h05m39sUT with the 1.82-m Plaskett Telescope.
Unfortunately the proximity of the suspect to the galacy nucleus
meant that it was not entirely clear from Palomar Sky Survey images
as to whether it had been recorded before but the master image by
Tom of 1999 Sept 22 did not show it. The Central Bureau therefore
issued the following:

Guy M. Hurst, Basingstoke, England, reports the discovery of an
apparent supernova (mag 15.6) by Tom Boles (Coddenham, England) on
an unfiltered CCD image (limiting mag about 18.5) secured for the
U.K. Nova/Supernova Patrol on July 29.959 UT with a 0.36-m Schmidt-
Cassegrain telescope.  Nothing was visible on Boles' CCD image from
1999 Sept. 22 (limiting mag 18.5).  The new object is located at
R.A. = 1h22m14s.59, Decl. = +34o40'11".3 (2000), which is 5" west
and 3" north of the nucleus of UGC 913.  Mark Armstrong (Rolvenden)
confirmed the presence of SN 2001dk at about the same brightness on
a CCD image taken on July 31.039, which yielded the following
position end figures:  14s.50, 11".4.
IAUC 7675

Congratulations to Tom on this success and our thanks to the two
observers providing confirmatory images.

SUPERNOVA 2001dj IN NGC 180
M. Papenkova and W. D. Li, University of California, report the
discovery by LOTOSS of an apparent supernova in unfiltered images
taken with the Katzman Automatic Imaging Telescope (KAIT) on
July 29.5 (mag about 17.9) and 30.5 UT (mag about 17.7).  The new
object is located at R.A. = 0h37m52s.22, Decl. = +8o38'33".0 (2000)
which is 80".8 west and 27".1 north of the nucleus of NGC 180.
IAUC 7674

SUPERNOVA 2001dl IN UGC 11725
C. Yu and W. D. Li, University of California at Berkeley, report
the discovery by LOTOSS of an apparent supernova in unfiltered
images taken with the Katzman Automatic Imaging Telescope (KAIT) on
July 30.4 (mag about 17.1) and 31.3 UT (mag about 17.0).  The new
object is located at R.A. = 21h21m01s.73, Decl. = +9 10'50".4
(2000) which is 1".8 west and 10".6 north of the nucleus of
UGC 11725.
IAUC 7675

Mark Armstrong adds that he recorded this suspect on an unfiltered
CCD image taken on 2001 July 30.994 with a 0.30-m SCT but had not
been able to check it due to a backlog of data due to unusually
good weather in the UK:
RA 21h 21m 01.74s  DEC +09o10' 50.0" Mag 16.43.
There is a possibility that SN 2001dl also appeared at around mag
18.5-19.0 on a frame with the same telescope on 2001 July 28.003.
Guy M Hurst