Penumbral lunar eclipse 25 May 2013 The moon barely grazes the northern penumbral shadow of the earth. Saros (and member) 150 (1 of 71) Gamma 1.5350 Duration (hr:mn:sc) Penumbral 0:33:34 Contacts (UTC) P1 3:53:15 Greatest 4:09:58 P4 4:26:49 The moon's hourly motion across the Earth's shadow in the constellation of Scorpius.