THE ASTRONOMER Electronic Circular No 524       1991 May 25 19.43UT
Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise,  Basingstoke,
Hants, RG22 4PP, England. Telephone:  (0256)471074 Int:+44256471074
Telex: 9312111261 Answerback: TA G                     JANET BOXES:
GMH at UK.AC.CAM.ASTRONOMY.STARLINK or GUYH at UK.AC.SUSSEX.CLUSTER
TELECOM GOLD: 10074:MIK2885                       PRESTEL 256471074
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TASV 0524+15 (=Q1991/11)
Mike Collins, Sandy, reports discovery of a possible variable on
photographs of the UK Nova/Supernova Patrol. The object, located at
RA 05h24.8m DEC +15 09'(1950) was recorded at magnitude 10.6 on
1991 Jan 13.0UT whereas results in 1989 Oct place it as faint as
mag 11.3.
An e-mail chart follows:
\\\\\\  Q1991/11       0524+15  variable in Ori (Mike Collins)
S,120,20,S
P,05h 24.8m   +15 09'  (1950)
O,60,60,10.6,11.3
M,6,39,49
R,8.1,66,92,A
M,8,62,82
R,9.1,83,59,B,R
R,9.5,74,62,C
M,9,14,58,27,51,71,82,47,106
R,10.0,34,28,D
R,10.6,32,7,E,R
M,10,17,95,85,109,75,99,6,107,42,20,108,51
M,10,109,22
R,11.2,50,33,F,R
R,11.4,79,53,G
R,11.6,64,72,H
M,11,93,119,105,112,20,7,8,63,14,22
M,11,6,40,8,32,45,10,30,72,111,78,103,91
M,12,100,97,22,104,69,76,59,11,39,85,40,64,3,57
M,12,2,82,71,71,112,33,80,74,101,1,108,1
M,12,101,2,96,32,113,19,78,60,94,85,116,86,108,83
E,53
////// Basic chart automatically generated by GSC2FIND ver 1.0

SUPERNOVA 1991ac IN ANONYMOUS GALAXY
C. Pollas, Observatoire de la Cote d'Azur, reports his discovery of
an apparent supernova of mag 18.5 on OCA Schmidt telescope
Tech Pan films exposed on Jan. 26.2 and 27.2 UT, the object being
located at R.A. = 12h58m55s.20, Decl. = +29 27'07".6 (equinox
1950.0).  The host galaxy (mag 16) has its center located at R.A. =
12h58m55s.49, Decl. = +29 27'06".4.  An Apr. 7.0 film shows nothing
at the position of SN 1991ac to a limiting magnitude of 21.
Something appears to be visible at the limit of exposures taken May
17.0 and 16.9, when the limiting magnitudes were 22 and 22.5,
respectively.
IAUC 5270

EDITORIAL ABSENCE
I shall be away from May 26 09.00UT returning late on May 28.
Please contact Denis Buczynski or Martin Mobberley if there are
any urgent messages during that time,

Guy M Hurst