It’s your last chance to get in an eclipse if it’s on your 2012 to-do list. A penumbral lunar eclipse will begin at 4:14 a.m. PST and end at 8:51 a.m. PST, according to timeanddate.com. In a penumbral lunar eclipse, the moon falls under the dim edge, or penumbra, of the Earth's shadow, instead of the main part of the shadow called the umbra. As a result, the moon's face grows a bit dimmer instead of showing a clearly defined disc moving across it as can be seen in a regular lunar eclipse. Read more: http://southpasadena.patch.com/articles/lunar-eclipse-when-to-watch-wednesday-30182898