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In early 2009, immediately following the end of the WR140 periastron campaign(see these proceedings), I turned my telescope back to epsilon Aurigae in timefor the start of the eclipse. As well as being an interesting object in its ownright, the Pro-Am campaign being run on epsilon Aurigae during the currenteclipse is a good example of how amateur spectroscopists can make a usefulcontribution. epsilon Aurigae is a naked eye magnitude 3 star and was firstnoted to be variable by Johan Frisch in 1821. It was subsequently found to bean eclipsing binary with a period of 27.1 years which undergoes anapproximately 2 year long flat-bottomed eclipse with approximately 0.8magnitude drop in V.

The International Epsilon Aurigae Campaign 2009-2011. A description of the campaign and early results to May 2010