Hi Richard-
According to VMA, the dates in 2009 with illuminated western limb librations of 5° or more are: Apr 20-23, May 17-22, Jun 13-19, Jul 11-18, Aug 08-15, and Sep 05-10 (7° or more on May 19-20, Jun 14-18, and Jul 14-16).
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http://www.astronomyblogs.com/member/saberscorpx