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Increase Astronomical Discoveries by Storing Your Spectroscopic Observations with AVSpec

A new database created by AAVSO enables amateur to experienced observers to record data from any variable object in the sky

Pick a Star

Type star name then click action.
Recent Activity

Variable Star Observations in Database:

39,942,257 and Counting ...
Last Observation Received:

32 min 52 sec ago by RJWB - John Rock (GB)

V405 AUR   Dec 11.9990   13.873CV   

Plot V405 AUR light curve


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AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484