20 Million Observations by Amateur Astronomers!

Graph showing the rapidly growing number of observations in the AAVSO International Database. Courtesy AAVSO.

Early into the celebration of its centennial year, observers of the American Association of Variable Star Observers (AAVSO) passed another milestone over the weekend, when an amateur astronomer from Belgium contributed the 20 millionth observation of a variable star on February 19, 2011. (…) Read the rest of 20 Million Observations by Amateur Astronomers! (455 words)

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(C) msimo for Universe Today, 2011. | Permalink | 2 comments | Add to del.icio.us Post

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