About VarAstro
Welcome to VarAstro, unique portal for publication and sharing of photometric data running by Czech Astronomical Society, Variable Star and Exoplanet Section. The portal is a successor of famous web var.astro.cz ran for last two decades, Exoplanet Transit Database (ETD) and O-C gateway.
User Info
Most of functionality of VarAstro is available for logged users. If you don't have logging credentials, you can create your own new account free of charge. If you had an account at portal var2.astro.cz, use the same e-mail address as a login and you can migrate all your data easily to the new portal. | Login, Register
Object search
Star catalog
Exoplanet catalog
VarAstro Data Statistics
Objects last month
30
Objects in database
62483
Observations last month
241
Observations in database
80933
Minima last month
94
Minima in database
303045
Transits last month
145
Transits in database
16123
Active observers last month
50
Observers in database
1306
Most active last month
Vojtěch Školník
Most observed last month