THE ASTRONOMER Electronic Circular No 502 1991 Mar 29 19.57UT 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 ------------------------------------------------------------------- DX AND Further to the note on E500, the original report of the outburst was received from Timo Kinnunen of Finland who observed the UGSS type variable at magnitude 11.5 on Mar 25.28UT. Patrick Schmeer, Germany, has subsequently e-mailed confirmation that the star is bright: Mar 28.17UT, 11.8. Professional astronomers have been alerted. The previous observed outburst occurred in 1990 May (The Astronomer Vol 27, p41, 1990). NOVA HERCULIS 1991 Further visual estimates: 1991 Mar 28.06UT, 7.9 (D.Fischer, Germany); 28.10, 7.8 (P.Schmeer, Germany). Rob McNaught has kindly faxed a copy of a photograph taken at the AAT on Mar 25 which has permitted identification of the nova against the fainter stars in the field. Mike Collins, Sandy has e-mailed a download of the Hubble Catalogue and from this and other sources the following preliminary b chart has been derived: \\\\\\ Nova Her 1991 Preliminary b chart S,120,20,S P,18h 44m 12s +12 10'44"(1950) O,67,62,5.5,20 -L,A,nova R,8.21,81,6,K,R R,8.40,88,13,L,R R,8.81,119,27,M,L M,9,71,84 M,10,17,60,1,117,70,43,106,97 M,10,42,45 -L,B,BB Her R,9.66,89,51,N,R R,9.96,103,106,P,R R,10.28,27,51,Q,R M,11,11,20,14,37,17,50,31,37,7,22,22,77 R,10.75,26,86,R,R M,11,3,76,2,20,47,43,104,39,50,85,83,59 R,11.06,50,85,S,B M,12,40,111,15,16,32,13,5,100,22,111,38,107,40,33 M,12,39,110,8,15,33,108,23,75,22,68,1,102,11,57 M,12,4,34,13,83,2,14,40,59,36,46,23,1,27,11 M,12,7,119,76,14,67,22,94,43,92,36,68,118,116,36 M,12,46,24,101,35,115,93,105,110,44,92,100,6,53,118 M,12,99,6,86,95,76,95,100,79,70,100,115,87,59,73 M,12,51,111,64,71,77,93,59,69,66,110,59,85,108,63 M,12,57,71,88,65,99,87,48,58,118,58,109,85,113,52 M,12,71,56 M,12,98,20 -L,B,KZ Her E,85 ////// Basic chart automatically generated by GSC2FIND ver 1.0 Some codes above will only be recognised by the latest version of Finders (2.2b) which is now available at a price of #10.00 or as an upgrade at #2.00 where the original program disk is returned to the Editor. Rob McNaught, Australia notes that the star marked 75 on the AAVSO Atlas (1st Ed) 2.4' to the east of KO Aql, seems to have the wrong magnitude (it is much brighter than charted) or '75' refers to another star (say the one 10' due S). Independently Gary Poyner, Birmingham also mentions this star (selected as comparison G on E500). He estimates it to be 6.7 and mentions it is SAOC 104170 catalogued 6.9v. Guy M Hurst