THE ASTRONOMER Electronic Circular No 551 1991 August 13 18.30UT
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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SUPERNOVA 1991an IN ANONYMOUS GALAXY
C. Pollas, Observatoire de la Cote d'Azur, reports his discovery of
an apparent supernova of mag about 20.3 on pan films taken June
8.99 and 9.97 UT. The object is at R.A. = 17h39m18s.13, Decl.
= +67 43'59".5 (equinox 1950.0), situated in a galaxy of mag 19-20
whose center is located at
R.A. = 17h39m18s.96, Decl. = +67 43'55".6.
SN 1991an appears visible at the limit of two films (mag about 22)
taken by D. Albanese on July 8.96 and 10.92 UT. Nothing is visible
on POSS prints. A nearby star (mag 17) is located at
R.A. = 17h39m12s.06, Decl. = +67 44'13".1.
IAUC 5317
PERIODIC COMET AREND (1991u)
S. Nakano, Sumoto, Japan, reports that T. Seki, Geisei, has
recovered this comet, as shown below. The comet is diffuse and
somewhat condensed. The indicated correction to the prediction on
MPC 13042 (ephemeris MPC 18469) is delta T = +0.01 day.
1991 UT R.A. (1950) Decl. m1
Aug. 1.78090 6 12 11.82 +37 42 35.1 17.5
1.78785 6 12 12.93 +37 42 33.0
2.77500 6 15 07.98 +37 45 06.1 18.0
2.78403 6 15 09.62 +37 45 05.7
7.78056 6 29 47.05 +37 54 53.8 18.5
IAUC 5322
Guy M Hurst