THE ASTRONOMER Electronic Circular No 638 1992 May 14 21.00UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP,England. Telephone/FAX(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 ------------------------------------------------------------------- COMET TANAKA-MACHHOLZ (1992d)- OUTBURST Various observers have reported an outburst of this comet. Recent m1 estimates follow: 1992 May 9.03UT, 8.2 (B.Granslo, Norway 0.203-T); May 10.00, 7.4 (Granslo, 0.203-T); 10.92, 7.5 (Granslo, 0.203-T); 11.97, 7.3 (Granslo, 0.203-T); 13.08, 7.1 (H.Mikuz, Slovenia, 7x50B); 13.94, 7.0 (G.Hurst, Basingstoke, 15x80B) Guy M Hurst