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Date: Sat, 30 Oct 1993 22:32:16 +0200
From: granslo@argo.uio.no
Subject: NAS.VSS Observations of R CrB
Norwegian Astronomical Society - Variable Star Section
OBSERVATIONS OF R CORONAE BORELALIS - REPORT NO. 002 (1993 October 30)
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This report contains observations of R CrB by members of NAS.VSS since
1992 July 1. Time system is year, month number and date with decimals in
Universal Time.
YYYY MM DD.DDD OBSERVATION MAG CL INSTRUM. OBSERVER
1993 07 06.98 5.9 B7x50 Heen, L. T.
1993 07 15.95 5.9 B7x50 Heen, L. T.
1993 07 15.99 a-4;d+5 6.0 2 B7x35 Granslo, B. H.
1993 07 19.97 5.9 B7x50 Heen, L. T.
1993 07 22.96 5.9 B7x50 Heen, L. T.
1993 07 29.99 a-4 6.0: 2 B7x35 Granslo, B. H.
1993 08 06.95 a-3;c+5 5.9 B7x50 Heen, L. T.
1993 08 10.88 a-5;c+3 6.2 B7x50 Heen, L. T.
1993 5.8 1 B7x35 Granslo, B. H.
1993 08 24.92 a-6;b-493 08 27.96 a-8;c=v;d+2;e+8 6.5 1 B7x35 Granslo, B. H.
1993 08 28.92 c-1;d+1 6.6 2 B7x35 GransloC203,80x Granslo, B. H.
1993 09 04.858 x-5;e-4;f=v;g+3;h+7 7.6 1 L76;f+5 7.1 2 B7x35 Granslo, B. H.
1993 09 07.906 9 09.89 7.2 B7x50 Heen, L. T.
1993 09 09.931 e-2;f+2;g+6 14.90 7.1 B7x50 Heen, L. T.
1994 09 16.92 7.0 B7x50 ranslo, B. H.
1993 09 18.83 c-4;e+3 6.9 1 L6x30 Granslo, B. H.
1993 09 18.89 7.0 6.9 2 B7x35 Granslo, B. H.
1993 09 28.87 6.7 B7x50 Heen, Le-4;f+1;g+3 7.6 1 C203,80x Granslo, B. H.
1993 10 16.89 e-7;f-3;g=v 203,80x Granslo, B. H.
1993 10 21.874 e-7;f-3;g-1;k+5 8.0 2 L76,40x Granslo, B. H.
1993 10 22.799 8.3 1 L60,55x Granslo, B. H.
1993 10 29.809 f-5;g-3;k+3 8.. H.
Magnitudes are calculated from Pogson's step method. CL = class: estimated
accuracy of obsdt-Cassegrain,
L = refractor. Comparison stars:
Ident R.A. (2000.0) Decl. Mag. 5.6 G9 64870 AAVSO
b 16 16 44.8 +29 09 01 5.9 A3 84281 AAVSO
c 15 36 53.4 +29 59 28 6.5 AAVSO
x 15 59 05.9 +29 25 54 7.1 K2 84124 SC 2000
e 15 47 40.8 +28 28 10 7.2 F6 84005 AAVSO
f 15 AAVSO
g 15 45 07.5 +28 28 12 7.9 K0 83985 AAVSO
h 15 53 08.5 +27 48 52 8.3 K2 84057 AAVSO
45.0 +28 58 09 8.9 K2 83991 AAVSO
Sources: AAVSO = American Association of Variable Star Observers,
SC 2000 = 15h 48m 34s.4 Decl. = +28d 09' 24" (2000.0).
Observers: Haakon Dahle (Oslo, Norway Regards,
Bjorn H. Granslo
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