------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1278 1998 Mar 10 10.16UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074 INTERNET: GUY@TAHQ.DEMON.CO.UK GMH at AST.STAR.RL.AC.UK WORLD WIDE WEB http://www.demon.co.uk/astronomer ------------------------------------------------------------------- SUPERNOVA 1998S IN NGC 3877 E-chart and sequence for the object reported on E1276 \\\\\\SN 1998S b in NGC 3877 S,400,9,S -C,11.7683, 47.4833,2000 O,203,206,13.0,? -L,L,SN 1998S P,11h 46.1m +47 29' (2000) -T,Seq GSC -G,204,199,180,120,200 -S,SN/036.01 M,8,161,126 -L,L,82 M,10,188,174 -L,R,102 R,12.6,216,156,A R,13.2,172,175,B,A R,13.8,160,215,C R,14.5,236,209,D R,15.0,165,215,E,A M,10,55,315,52,274,275,78,250,37 M,11,66,392,8,349,233,373,12,179,176,22,21,12 M,12,118,280,245,290,379,309,354,386,271,386,11,241,271,236 M,12,356,162,176,75,188,32,156,70,341,62,394,50 M,13,382,305,347,309,52,315,287,320,247,322,260,340,247,395 M,13,156,399,275,349,94,363,385,267,83,262,344,262,137,253 M,13,292,242,226,186,112,185,110,184,166,172,228,92 M,13,226,99,28,24,380,7,53,19,168,15,38,159 M,13,18,145 M,14,396,281,369,309,22,309,65,331,166,333,64,337,312,338 M,14,180,343,250,395,91,398,122,387,23,343,107,348,175,353 M,14,206,360,207,263,98,262,235,259,339,258,355,250,222,243 M,14,375,238,273,226,124,211,318,205,129,203 M,14,349,195,107,180,129,87,286,86,268,82,190,91,69,90 M,14,245,90,328,72,101,73,80,78,34,92,275,117,78,114 M,14,358,153,185,114,314,113,125,108,156,26,11,24,3,54 M,14,80,49,261,5,122,17,108,128,210,128,374,151 M,15,354,289,75,292,342,301,363,305,150,314,80,316,375,317 M,15,245,325,168,330,231,332,241,387,169,345,105,347,257,357 M,15,383,361,31,371,78,370,173,254,261,253,322,248,224,240 M,15,273,229,120,205,138,206,340,204,306,181,201,138 M,15,39,119,82,91,92,91,372,119,42,127,133,77,7,75 M,15,124,94,281,165,123,96,65,94,177,104,78,126,281,110 M,15,226,31,114,28,342,26,320,63,40,59,384,56,200,4 M,15,176,133,327,155,104,159,8,145,38,235,186,73,30,386 E,166 ////// Basic chart automatically generated by CHART ver 1.6 Using the above sequence, the Editor has obtained a magnitude of 13.1 from an image secured by Mark Armstrong on Mar 5.10UT (LX200 + CCD unfiltered). This object has clearly brightened since discovery and we would appreciate a sequence of estimates from either visual or CCD/photographic observers to extend the light curve as long as possible. Guy M Hurst