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Date: Fri, 7 May 1993 18:11:11 +0200 From: granslo@argo.uio.no Subject: SN 1993J - NAS.VSS Observations (Version 1993 May 7) 1000 Norwegian Astronomical Society - Variable Star Section 1005 1010 LIST OF VISUAL OBSERVATIONS OF SUPERNOVA 1993J IN M81 - UPDATE 1993 MAY 7 1015 ========================================================================= 10YY MM DD.DDD OBSERVATION MAGN CL INSTRUM. OBSERVER 1993 03 30.870 103W-4;Ar+5 10.8 1 M316,130x Midtskogen, O. 1993 03 30.899 103W-4;D+3 10.6 1 M316,130x Midtskogen, O. 1993 03 31.130 C-5;103W+1 10.5 1 M316,130x Midtskogen, O. 1993 04 01.833 (TB sequence) 10.5: C203,111x Bremseth, P.-J. 1993 04 02.828 E-1;F+3 11.7 2 M316,130x Midtskogen, O. 1993 04 02.831 103W-8;104-6;105-5;D-3 11.0 1 C203,133x Dahle, H. 1993 04 02.837 C-10;6+6 11.2 2 C203,133x Dahle, H. 1993 04 02.867 D-6;Ar-3;F+6 11.4 2 C203,123x Granslo, B. H. 1993 04 03.011 D-4;Ar-1;F+5 11.3 2 C203,123x Granslo, B. H. 1993 04 03.11 D(3)V(7)G,D(4)V(6)G 11.3 2 M254,108x Skartlien, R. 1993 04 03.820 E-2;F+2 11.8 2 M316,130x Midtskogen, O. 1993 04 03.838 E-1.5;F+3 11.8 1 M316,62x Midtskogen, O. 1993 04 04.833 (TB sequence) 11.3 C203,166x Bremseth, P.-J. 1993 04 05.830 (TB sequence) 11.7 C203,111x Bremseth, P.-J. 1993 04 06.007 (TA sequence) 11.9 2 M203,135x Andersen, O. I. 1993 04 06.009 Ar-5;E-2;F-1;G+6 11.9 1 M203,135x Granslo, B. H. 1993 04 06.092 Ar-5;E-2;F=V;G+6 11.9 1 M152,135x Granslo, B. H. 1993 04 06.840 (TB sequence) 11.2 C203,111x Bremseth, P.-J. 1993 04 06.903 Ar-5;E-2;F-1 12.0 2 M152,135x Granslo, B. H. 1993 04 07.903 (TB sequence) 11.4 C203,111x Bremseth, P.-J. 1993 04 08.042 E+2;F+3;6+5;G+10 11.5 1 C203,133x Dahle, H. 1993 04 08.868 E+4;F+5;6+3;G+10 11.4 1 C203,133x Dahle, H. 1993 04 08.895 &D(5)V(5)G 1993 04 08.948 D(8)V(2)F;E+2;F+3; 11.6 1 C203,77x Skjaeraasen, O. 1993 04 08.948 &D(6)V(4)G 1993 04 08.985 D(7)V(2)F;E+2;F+3; 11.6 1 C203,77x Skjaeraasen, O. 1993 04 09.028 D(8)V(2)F;E+2;F+2 11.6 2 C203,77x Skjaeraasen, O. 1993 04 09.833 (TB sequence) 11.3 C203,111x Bremseth, P.-J. 1993 04 09.902 D-5;E+1 11.4 1 M150 Midtskogen, O. 1993 04 09.962 3+2;E+4;F+5;6+6;G+10 11.4 1 C203,133x Dahle, H. 1993 04 10.837 104-5;105-5;3+4;E+6;F+7 11.1 1 C203,133x Dahle, H. 1993 04 10.842 (TB sequence) 11.2 C203,111x Bremseth, P.-J. 1993 04 10.845 D-6;E+1 11.5 1 M316,62x Midtskogen, O. 1993 04 10.920 D-7;Ar=V;E+2;F+5 11.4 1 M203,135x Granslo, B. H. 1993 04 10.922 (TA sequence) 11.3 1 M203,135x Andersen, O. I. 1993 04 11.837 (TB sequence) 10.9 C203,111x Bremseth, P.-J. 1993 04 11.883 D-3;Ar+3;E+6;F+6 11.1 1 M152,74x Granslo, B. H. 1993 04 11.885 (TA sequence) 11.4 2 M152,74x Andersen, O. I. 1993 04 11.903 D-1;E+5 11.0 1 M316,62x Midtskogen, O. 1993 04 11.980 3+4;E+4;F+6;6+7 11.3 1 C203,133x Dahle, H. 1993 04 12.00 105(3)V(7)E 10.9 2 M254,108x Smedstuen, O. 1993 04 12.00 D(3)V(7)G 11.2 2 M254,108x Skartlien, R. 1993 04 12.851 (TB sequence) 10.5 C203,80x Bremseth, P.-J. 1993 04 12.859 104-4;105-3;3+5;E+6; 11.0 1 C203,133x Dahle, H. 1993 04 12.859 &F+8;6+8 1993 04 12.884 103W-4.5;D+2 10.6 2 M316,62x Midtskogen, O. 1993 04 13.840 (TB sequence) 10.5 C203,80x Bremseth, P.-J. 1993 04 13.842 D-2;E+5;F+8;3+6;6+8 11.1 1 C203,133x Dahle, H. 1993 04 13.892 103W-3;D+2.5 10.6 1 M316,62x Midtskogen, O. 1993 04 13.892 B(6)V(4)E;103W-4;D=V; 10.8 1 C203,77x Skjaeraasen, O. 1993 04 13.892 &B(6)V(4)F 1993 04 14.845 (TB sequence) 10.5 C203,80x Bremseth, P.-J. 1993 04 14.847 D-3;3+5;E+8;F+9;6+9 11.0 1 C203,133x Dahle, H. 1993 04 14.904 103W-4;D+1 10.7 1 M316,62x Midtskogen, O. 1993 04 15.006 D-5;Ar+3;E+5;F+7 11.2 1 C203,80x Granslo, B. H. 1993 04 15.833 (TB sequence) 10.5 C203,80x Bremseth, P.-J. 1993 04 15.864 104-4;105-3;D-1;3+8;E+9; 10.8 1 C203,133x Dahle, H. 1993 04 15.864 &F+10;6+10 1993 04 15.924 D-4;Ar+3;E+5;3+7;F+7 11.1 1 C203,123x Granslo, B. H. 1993 04 17.910 103W-3;D+2.5 10.5 1 M316,62x Midtskogen, O. 1993 04 17.929 104-4;105-3;D=V;3+7; 10.8 1 C203,133x Dahle, H. 1993 04 17.929 &6+10;E+9;F+10 1993 04 17.999 C-8;D-3;Ar+5;E+7 11.0 1 C203,123x Granslo, B. H. 1993 04 18.872 104-2;105-1;D+2;3+10;Ar+7 10.6 1 C203,133x Dahle, H. 1993 04 18.915 103W-2;D+3 10.5 1 M316,62x Midtskogen, O. 1993 04 19.851 (TB sequence) 10.8 C203,80x Bremseth, P.-J. 1993 04 19.858 104-3;105-2;D=V;3+7 10.8 1 C203,133x Dahle, H. 1993 04 19.892 103W-4;D+0.5 10.7 1 M316,62x Midtskogen, O. 1993 04 19.892 D-1;103W(4)V(6)E; 10.8 1 C203,117x Skjaeraasen, O. 1993 04 19.892 &103W(3.5)V(6.5)6 1993 04 19.924 C-8;D-2;Ar+4;E+7;3+8 11.0 1 C203,123x Granslo, B. H. 1993 04 21.924 C-4;D-2;Ar+6;3+8 10.8 1 C203,133x Dahle, H. 1993 04 21.967 D-4;Ar+4;E+6 11.1 2 C203,123x Granslo, B. H. 1993 04 22.064 D-4;Ar+3;E+5;6+3;F+8 11.1 1 C203,123x Granslo, B. H. 1993 04 24.934 (TB sequence) 10.8 C203,80x Bremseth, P.-J. 1993 04 24.979 D-4;Ar+5;3+5 11.0 2 C203,133x Dahle, H. 1993 04 25.896 D-4;Ar+5;3+6 11.0 2 C203,133x Dahle, H. 1993 04 25.978 D-8;Ar-1;E+1;6+3;F+4 11.5 1 C203,123x Granslo, B. H. 1993 04 26.882 D-7;6+4;F+4;E+4;3=V;Ar-3 11.5 1 C203,133x Dahle, H. 1993 04 26.889 (TB sequence) 11.1 C203,80x Bremseth, P.-J. 1993 04 26.915 Ar-3;E-1;3=V;F+2;6+2 11.7 1 C203,123x Granslo, B. H. 1993 04 26.920 D-4;E+2 11.3 1 M316,130x Midtskogen, O. 1993 04 27.882 Ar-2;F+2;E+1 11.7 2 C203,123x Andersen, O. I. 1993 04 27.908 Ar-2;3=V;E+2;6+3;F+3 11.6 1 C203,133x Dahle, H. 1993 04 27.915 Ar-3;E=V;F+2;6+1;G+6 11.7 1 C203,123x Granslo, B. H. 1993 04 27.936 E-2;F+3 11.8 1 M316,130x Midtskogen, O. 1993 04 28.910 Ar-3;3-2;6+2;F+2 11.7 1 C203,133x Dahle, H. 1993 04 28.929 Ar-3;E-1;F+2;G+6 11.8 1 C203,123x Granslo, B. H. 1993 04 29.917 3-3;Ar-5;E=V;6+2;F+2 11.8 1 C203,133x Dahle, H. 1993 04 29.925 Ar-5;F=V;6=V;E-2;G+4 11.9 1 C203,123x Granslo, B. H. 1993 04 29.942 E-1;F+3 11.7 2 M316,130x Midtskogen, O. 1993 04 30.927 3-4;Ar-6;E-1;F+2;6+2 11.9 1 C203,133x Dahle, H. 1993 04 30.978 E-1.5;F+2.5 11.8 2 M316,130x Midtskogen, O. 1993 05 01.008 Ar-5;E-2;F=V 11.9 2 C203,123x Granslo, B. H. 1993 05 01.978 Ar-5;E-1;F=V;G+4 11.9 2 C203,123x Granslo, B. H. 1993 05 01.979 Ar-7;F=V 12.0 2 C203,133x Dahle, H. 1993 05 02.903 Ar-8;3-4;F=V 12.0 1 C203,133x Dahle, H. 1993 05 05.941 E-5;F-3;G=V 12.3 1 C203,133x Dahle, H. 1993 05 05.968 E-5;F-2;G+2 12.2 2 C203,123x Granslo, B. H. 3000 3005 Time system is Universal Time. Magnitudes are calculated from the 3010 fractional method and/or Pogson's step method. CL = class: estimated 3015 accuracy of observation; 1 = good (+/- 0.1 mag.), 2 = fair (+/- 0.2 3020 mag.), 3 = poor (+/- 0.3 mag.). Instrument (aperture in mm): C = 3025 Schmidt-Cassegrain, M = reflector. Comparison stars: B = 9.4, 103W = 3030 10.3, C = 10.32, 104 = 10.4 (eastern component of a close double), 3035 105 = 10.5 (western component), D = 10.7 (variable?), Ar = 11.40, 3040 3 = 11.62, E = 11.78, 6 = 11.85, F = 11.90, G = 12.45. Identifications: 3045 The Astronomer (B, C, D, E, F, G), Thompson-Bryan chart (103W, 104, 3050 105), Corwin (3, 6), Richmond (Ar). Magnitudes: AAVSO mv (B, 103W, 3055 104, 105, D), Sandage V (C), Corwin V (E, F, G, 3, 6), Richmond V (Ar). 3060 Star Ar is located 65" N and 23" E of star F. 3065 3100 List of observers: 3105 Odd Ivar Andersen (Oslo, Norway) 4 obs. ) 3110 Per-Jonny Bremseth (Ranheim, Norway) 15 " ) 3115 Haakon Dahle (Oslo, Norway) 25 " ) 3120 Bjoern H. Granslo (Fjellhamar, Norway) 21 " ) Total: 92 obs. 3125 Oernulf Midtskogen (Tranby, Norway) 19 " ) 3130 Roar Skartlien (Oslo, Norway) 2 " ) 3135 Olaf Skjaeraasen (Oslo, Norway) 5 " ) 3140 Ola Smedstuen (Raufoss, Norway) 1 " ) 3200 Bjorn H. Granslo
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