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The mission of the AAVSO is to enable anyone, anywhere to participate in scientific discovery through variable star astronomy.

Resources

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(VSX) Variable Star Index

jaavso

The Journal of the AAVSO

Data

Submit and Access Data

Telescope

Tools and Observer Resources

Observing Sections

Observing Sections

Education

Education

CHOICE Courses, Manuals, Videos

AAVSO In Press

AAVSO In Press

Membership and Support

Membership and Support

The AAVSO is an equal opportunity and discrimination / harassment free environment.
Please read our policies HERE

AAVSO at a Glance

Variable Star Observations in Database:

6 3 , 4 2 2 , 8 9 2 and Counting ...

Last Observation Received:

1 min 47 sec ago by CCT - Carlos Colesanti (BR)

TT IND Jul 1.9322 13.105V

Plot TT IND light curve

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