Maximum northerly lunar libration is at 16:15 UT, 25th January 2018.
(Look towards the lunar North Pole)
Maximum southerly lunar libration is at 22:54 UT, 14th December 2017
(look towards the lunar south pole)
Maximum westerly lunar libration is at 12:25 UT, 28th November 2017.
(Look towards Lacus Autumni in earthshine)
Maximum westerly lunar libration is at 01:11 UT, 15th July 2017.
Look for Lacus Autumni
Maximum southerly lunar libration is at 19:49 UT, 4th July 2017.
(Look for Cabeus crater)