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press release

AAVSO observers help solve a mystery about an important variable star

A group of astronomers led by Dr. James Miller-Jones of Curtin University and the International Centre for Radio Astronomy Research have published a revised distance to the famed variable star SS Cygni, solving a major mystery surrounding this star and its behavior.  Their work was made possible due to the dedication of dozens of observers worldwide who monitor SS Cygni and report their observations to the American Association of Variable Star Observers (AAVSO).

SN 2011fe

Welcome to the AAVSO's special webpage devoted to SN 2011fe!

UN PROYECTO DE CIENCIA CIUDADANA DE 100 AÑOS ALCANZA LOS 20 MILLONES

Un proyecto de ciencia ciudadana en desarrollo desde hace más de 100 años alcanzó un punto clave este mes, cuando un astrónomo aficionado contribuyó con la observación número 20 millones de una estrella variable.

20-MILLION MILESTONE FOR 100-YEAR CITIZEN SCIENCE PROJECT

A citizen science project running for over 100 years reached a key milestone this month when an amateur astronomer contributed the 20 millionth observation of a variable star on February 19, 2011.

Testing taxonomy

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