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THE ASTRONOMER Electronic Circular No 1809      2002 Sep 22 14.15UT
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.theastronomer.org
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ANOTHER NOVA IN SAGITTARIUS
Katsumi Haseda of Aichi, Japan has reported possible detection of
a potentially bright magnitude 5.0 object in Sagittarius at:
RA 19h 01m 08.5s DEC -22 00' 45" (2000).
However this discovery was from a SINGLE image of 2002 Sep 20.431UT
using a 120mm f/3.5 lens and TRI-X film.

Haseda also reports negative estimates from pre-discovery images:
2001 May 19.74UT, <10.9p; 2001 May 28.63, <11.6p; 2001 June 26.64,
<11.6p; 2002 Aug 05.57, <11.6p; 2002 Aug 13.56, <11.6p.

Doug West has measured four B-band images of Sept 21 obtained at
02.29UT. He derives end figures of:
RA 09.38s DEC 06.2" (2000)
These B band images were not as saturated as V band images and thus
yielded more accurate positional results.

Jaime Garcia, Argentina, confirmed the new object on Sept 21.15UT
at visual magnitude 6.1 using a 0.08-m refractor (SAO sequence).

Gianluca Masi reports that there is a star listed in USNO A2.0
whose position is very close to the measure by Doug West above: 
ID                  RA         DEC        R     B     
U0675_31094614  19 01 09.32 -22 00 06.2  16.7  17.0 

Toshihiko Tanaka, Japan has reported that a photograph of 2002 Sept
19.424UT also shows the new object at about magnitude 5.5. (50mm
f/1.4 lens + FinePix S2Pro).

According to IAUC 7975, Taichi Kato in Japan has forwarded a report
from M. Fujii indicating that a spectrum taken on 2002 Sept 21.44UT
shows strong Balmer and Fe II emission lines and confirms that the
object is an Fe II-class nova shortly after maximum; the FWHM of H-
alpha emission is 2400 km/s.

Maurice Gavin, Worcester Park, Surrey has also reported that he
obtained a spectrum of this object on 2002 Sept 21 which showed the
clear characteristics of a nova.

Guy Hurst, Basingstoke, reports that two CCD images (5 seconds
exposure each) for the UK Nova/Supernova Patrol obtained with a
50mm f1.8 lens on 2002 August 14 at 21.45 and 21.47UT do not show
the new object to a limiting magnitude of 10.0 (affected by low
altitude cloud). These were centred on omicron Sgr, one of the CCD
patrol target areas. 

Guy M Hurst