THE ASTRONOMER Electronic Circular No 513 1991 Apr 21 16.00UT 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 ------------------------------------------------------------------- NOVA HERCULIS 1991 Further visual estimates: 1991 Apr 14.101UT, 12.2 (Schmeer);15.097, 12.4 (Schmeer);16.113, 12.5 (Schmeer); 16.114, 12.6 (Poyner); 16.941, 12.7 (Midtskogen) 16.99, 12.0 (Granslo); 17.021, 12.7 (Dahle); 17.028, 12.4 (Granslo) 17.056, 12.3 (Granslo); 17.073, 12.6 (Schmeer); 17.014, 12.6 (Worraker); 18.086, 12.7 (Schmeer) Revised e-chart replacing that on E507: \\\\\\ NovaHer(c) 1991 preliminary chart S,120,10,S P,18h 44m 12s +12 10'44"(1950) O,60,59,5.5,20 -L,A,nova M,9,67,101 M,10,64,19 R,9.66,103,35,N,L M,10,6,23 -L,A,BB Her M,11,18,18,91,50 R,11.06,24,103,S,L M,12,3,50,112,17,109,4,12,117,41,80,78,119 R,11.72,53,76,T,L M,12,41,71,42,104,37,76,19,49, R,11.80,100,63,U,L R,12.12,66,44,W,L M,13,6,86,1,82,1,60,1,104,8,40,6,66,46,11 M,13,81,17,74,7,55,6,75,18,68,17,85,4,103,15 M,13,51,17,18,97,58,118,19,109,117,106,68,104, R,12.50,57,69,X,L M,13,31,56,52,59,13,60,14,89,106,84, R,12.94,82,47,Y,L R,13.45,46,68,Z,L M,13,70,51,75,95,73,112,108,36,39,101,35,33 M,14,7,111,5,110,11,33,11,34,11,35,105,20,119,27 M,14,87,19,20,14,47,17,15,5,108,4,77,22,103,23 M,14,102,100,117,80,24,73,90,117,102,99,31,61,25,75 M,14,91,69,15,69,41,70,42,70,103,104,67,52,63,65 M,14,60,57 R,14.02,50,48,1,L M,15,10,20,6,45,10,19,86,5,14,23,14,22,87,18 M,15,76,21,47,118,61,110,60,97,21,100,102,115,86,109 M,15,40,104,24,104,107,88,30,75,106,82,69,91,118,79 M,15,95,72,103,115,68,90,101,55,106,81,69,51 R,14.58,53,53,2,L M,15,19,111,76,55,95,72,42,43,31,93,33,41,101,55 M,15,21,37,26,75,56,53,55,61 E,124 ////// Basic chart automatically generated by GSC2FIND ver 1.0 SUPERNOVA 1991T IN NGC 4527 Recent results suggest that this supernova is still brightening and it therefore presents an excellent opportunity for long term study: 1991 Apr 15.93UT, 12.5pv (D.Buczynski and G.Marsh, T-Max 400); 16.98, 12.5pv (H.Ridley, T-Max 400); 17.01, 12.5v (H.Dahle); 17.06, 12.3v: (B.Granslo); 17.94, 12.4 (Granslo); 18.05, 12.5v (P.Schmeer); 19.91, 12.2v (G.Poyner); 19.91, 11.9v: (J.Toone, 3C273 sequence); 20.91, 11.9 (W.Worraker) Guy M Hurst