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eclipsing binary ephemeris

2013 Eclipsing Binary Ephemeris online

The Eclipsing Binary ephemeris for 2013, prepared by Gerry Samolyk, is on the AAVSO website at

http://www.aavso.org/eclipsing-binary-ephemerides

Bob Nelson's O-C files for EBs 2012 edition

The AAVSO is happy to provide a copy of Bob Nelson's O-C files for Eclipsing Binaries for 2012.  These files can be used for observation planning, and are a valuable resource for EB observers.

Thanks once again for Bob Nelson for providing this service to the EB community.

AAVSO Eclipsing Binary Ephemeris for 2011 available

The 2011 AAVSO Eclipsing Binary Ephemeris, prepared by Gerry Samolyk, is now available online at

http://www.aavso.org/eclipsing-binary-ephemerides

Good observing!

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