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Date: Sun, 5 Sep 1993 00:10:47 +0300
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. 001 (1993 September 4)
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YYYY MM DD.DDD OBSERVATION MAG CL INSTRUM. OBSERVER
1983 08 17.97 a-2;c+7 5.8 1 B7x35 Granslo, B. H.
1993 08 24.92 a-6;b-4;c+3 6.2 1 B7x35 Granslo, B. H.
1993 08 26.95 a-6;c+2;d+4 6.3 1 B7x35 Granslo, B. H.
1993 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 Granslo, B. H.
1993 09 03.887 d-6;x-2.5;e-1;f+4 7.3 1 C203,80x Granslo, B. H.
1993 09 04.858 x-5;e-4;f=v;g+3;h+7 7.6 1 L76,40x Granslo, B. H.
Time system is Universal Time. Magnitudes were calculated from Pogson's
step method. CL = class: estimated accuracy of observation; 1 = good
(+/- 0.1 mag.), 2 = fair (+/- 0.2 mag.). Instrument (aperture in mm):
B = binoculars, C = Schmidt-Cassegrain, L = refractor.
Comparison stars:
Ident R.A. (2000.0) Decl. Mag. Spec. SAO Source
h m s o ' " no.
a 15 43 59.3 +32 30 57 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 F5 64808 AAVSO
d 15 48 01.8 +31 44 09 6.7 K5 64915 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 52 30.9 +28 54 47 7.6 K3 84053 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
k 15 47 07.0 +29 06 14 8.6 K5 84000 AAVSO
l 15 45 45.0 +28 58 09 8.9 K2 83991 AAVSO
Sources: AAVSO = American Association of Variable Star Observers,
SC 2000 = Sky Catalogue 2000.0. The position of R CrB (SAO 84015) is
R.A. = 15h 48m 34s.4 Decl. = +28d 09' 24" (2000.0).
Observer: Bjorn H. Granslo (Fjellhamar, Norway).
Regards,
Bjorn H. Granslo
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