Variable Stars

ALCOVE Database ®

Variable Stars

Welcome to my page on variable stars! In this page you can find the following:

What Are Variable Stars?, from the AAVSO.
The AAVSO Manual for Visual Observing of Variable Stars
Julian Day Calculator, by Doug Welch, AAVSO Discussion Group administrator.
Argelander Method of Variable Star Brightness Estimation
My Variable Star Observations, includes my unpublished observations of the recent past, total list of my observations and a breakdown by years and organizations they are published in.
My Research Paper about Fleming's Unnamed Variables (presented as a poster display at the 11th Turkish Professional Astronomers Convention in Elazig, Turkey on August 7-10, 1999; complete English translation)
My popular article on my research project, In the Footsteps of W.P. Fleming, originally published in AAVSO Newsletter No 24 in October 2000.
Contribution of Amateurs to Astronomy, an English translation of my article on my observing of U Gem for the IUE satellite in 1990.
My Variable Star Observations Published in AAVSO News Flashes and Alert Notices
My Variable Star Charts , my essays of mapping the sky's changing face

My AAVSO membership certificate dated October 27, 1984.

VARIABLE STAR LINKS

AAVSO, founded in 1911, the American Association of Variable Star Observers located in Cambridge, MA is the largest organization of variable star observers worldwide, with members and more than 550 observers in over 40 countries.
AFOEV, established in 1921, the Association Francaise des Observateurs d'Etoiles Variables is headquartered at the Strasbourg Observatory and led by Michel Verdenet; the former president Emile Schweitzer remaining as the honorary president of the association.
BAA - VSS, British Astronomical Association's Variable Star Section.
B.B.S.A.G., group of eclipsing binary observers of the Swiss Astronomical Society.
B.R.N.O., Czech Astronomical Society - Variable Star Section.
Cataclysmic Variables Circular, by Tony Vanmunster, published from 1994 to 1998, currently discontinued.
Center for Backyard Astrophysics, a global network of small telescopes dedicated to photometry of cataclysmic variables.
General Catalog of Variable Stars, prepared by the International Astronomical Union's (IAU) Commission 27 (Variable Stars), located at Sternberg Astronomical Institute, Moscow, Russia.
HAA - VSS, Hungarian Astronomical Association's Variable Star Section.
Information Bulletin on Variable Stars, provided by the Konkoly Observatory in Budapest, Hungary.
International Supernova Network, by Mirko Villi, Italy.
International TOAD Watch, Tremendous Outburst Amplitude Dwarf novae.***
International TOAD Watch Mirror Site, Tremendous Outburst Amplitude Dwarf novae.
Recurrent Object Programme, coordinated by Gary Poyner.
Sky & Telescope's Variable Stars Page
VSNET, Variable Star Alert Network from Japan, back in business in May 2005, after being down since fall 2003.
AAVSO Discussion Group Archives
Variable Star Links from the AAVSO
Varsao NSV 000000, of Sebastian Otero from Argentina.

AAVSO group picture at the 88th Annual Meeting in Hyannis, MA in November 1999.

*** links currently broken

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