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THE ASTRONOMER Electronic Circular No 1439      1999 Aug 30 17.51UT
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 1999dn IN NGC 7714
Y. L. Qiu, Q. Y. Qiao, and J. Y. Hu, Beijing Astronomical
Observatory (BAO), report their discovery, in the course of the BAO
Supernova Survey, of an apparent supernova (mag about 16.0) in
NGC 7714. SN 1999dn was discovered on two unfiltered CCD images
taken on Aug. 19.76 and 19.82 UT with the BAO 0.6-m telescope, and
it was confirmed on Aug. 20.65 with the BAO 0.60-m Schmidt
telescope by X.Zhou and Z. Zheng.  The new star is located at:
R.A. = 23h36m14s.70, Decl. = +2 09'08".8 (2000) which is 9".9 east
and 9".4 south of the centre of NGC 7714.
IAUC 7241

NOVA CIRCINI 1999
Further to the announcement on E1437, the object has been
confirmed to be a nova. CCD frames taken by Liller with a
0.20-m Schmidt camera on Aug. 23.9717 yield a position of:
R.A. = 14h23m23s.6, Decl. = -69o08'45".1 (2000), at which time the
magnitude measured with a broadband V filter was 7.79.  Nothing
brighter than mag 11.0 appears at this location on two photographs
taken on July 15.99.  A low-resolution spectrogram obtained with
the Schmidt (+ objective prism + CCD) on Aug. 23.9874 shows H-alpha
in emission at a level about 0.85 times brighter than the intensity
of the surrounding continuum.
IAUC 7242

SUPERNOVA 1999do IN MARKARIAN 922
M. Modjaz and W. D. Li, University of California at Berkeley,
on behalf of the Lick Observatory Supernova Search, report the
discovery with the 0.8-m Katzman Automatic Imaging Telescope (KAIT)
of an apparent supernova in Mrk 922 (= MCG +05-54-003) on
unfiltered images taken on Aug. 20.3 (mag about 18.0) and 21.3 UT
(mag about 17.4).  The new object is located at:
R.A. = 22h53m29s.87, Decl. = +31o38'42".9 (2000), which is 4".7
east of the nucleus of Mrk 922.
IAUC 7242

V1493 AQUILAE
This nova whose discovery was announced on EWC 162 and E1424,
faded to near visual magnitude 13.2 by JD398 (Aug 7) before
brightening again. By Aug 25 it had reached about visual magnitude
11.9. The measures with CCD and V filters have yielded similar
results to visual but the CCD estimates without filters have given
results about one magnitude brighter throughout the light curve.
We welcome further estimates in visual, CCD V filter and CCD
unfiltered so we can continue to monitor the differences in the
three light curves. Please use the chart and lettered comparison
sequence given on E1430.

Guy M Hurst