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| 1 |
Introduction
Janet A. Mattei
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abstract |
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| 4 |
Papers in the Proceedings of the First European Meeting of the AAVSO
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abstract |
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| 5 |
DK Hydrae - A Neglected Eclipsing Binary
Gerald Samolyk
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abstract |
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| 8 |
EK Comae Berenices: A W UMa Star with Short Period
Jiři Borovička
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abstract |
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| 10 |
The Accurate Period of GX Aurigae
Jiři Borovička
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abstract |
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| 12 |
T Period Changes in the Eclipsing Binaries DG Lacertae and MZ Lacertae
Jindřich Šilhán
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abstract |
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| 17 |
Light-Time Effect in Eclipsing Binaries
Marek Wolf
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abstract |
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| 20 |
Photometric and Spectrographic Observations of Spica
Liu Zongli,
Sterken, C.
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abstract |
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| 23 |
Request for Photometry of Algols
J. R. W.Heintze
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abstract |
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| 28 |
High and Low Stages of T CrB
T. Iijima
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abstract |
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| 33 |
The Light Curve of the R Coronae Borealis Star NSV 6708 (V854 Centauri) and the Accuracy of
Visual Estimates
W. A. Lawson,
P. L. Cottrell,
F. M. Bateson
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abstract |
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| 37 |
Supernova 1989B in M66: An Unusual Type I Supernova?
Stefan Korth
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abstract |
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| 40 |
Photometry of the Suspected Cataclysmic Variable PG0900+401
N. A. Lipunova,
S. Yu. Shugarov
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abstract |
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| 43 |
Photometric Variations of AS296
C. Blanco
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abstract |
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| 47 |
Some Results of Hungarian Variable Star Observers
Attila Mizser,
Károly Szatmáry,
István Tepliczky
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abstract |
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| 52 |
Pulsating Variable Stars in Binary Systems
Károly Szatmáry
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abstract |
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| 57 |
The Ongoing Photometric Campaign on BW Vulpeculae
C. Sterken,
G. Busarello,
M. Dumont,
S. Ferrand,
J. C. Misson,
J. Remis,
Liu Zongli,
A. Pigulski
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abstract |
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| 60 |
Visual Observations of XY Lyrae and CH Cygni
Jerzy Speil,
Zamek Ksiaz
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abstract |
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| 65 |
Middle B-Type Star Variables
J. M. Le Contel,
D. Le Contel
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abstract |
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| 70 |
A Database for Times of Minima of Eclipsing Binaries
Dieter Lichtenknecker
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abstract |
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| 73 |
Statistical Analysis of the Semiregular Variable AR Cephei
Arūnas Kučinskas
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abstract |
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| 76 |
Some Variable Stars Observed by the Scandinavian Variable Star Observers
Aarre Kellomäki
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abstract |
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| 81 |
Diameter Measurements and Imaging of Mira Variables
Margarita Karovska
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abstract |
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| 85 |
Off-Centering Errors in Multiaperture Photoelectric Photometry of Galaxies
G. Busarello,
G. Longo,
C. Sterken
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abstract |
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| 90 |
An Innovative Telescope Design for CCD Photometry
John E. F. Baruch
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abstract |
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| 94 |
An Unusual Photoelectric Photometer for Small Telescopes
Hideo Satoh
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abstract |
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| 98 |
Software Tools for the Variable Star Observer
J. Gunther
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abstract |
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| 102 |
The Status of Sunspot Cycle 22 Through July 1990
Peter O. Taylor
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abstract |
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