In the middle of the night tonight (aka early Wednesday morning), there is a total lunar eclipse. According to Brian Webb at Launch-Alert mail list, “If the sky is clear, the entire event should be visible to the unaided eye from the West Coast. The particulars are as follows (all times are Pacific):

Partial Eclipse Begins 2:14 a.m.
Totality Begins 3:25 a.m.
Greatest Eclipse 3:55 a.m.
Totality Ends 4:24 a.m.
Partial Eclipse Ends 5:34 a.m.

This is the second total lunar eclipse of the year. The moon’s appearance will vary. Unlike a solar eclipse you can look directly at the moon. A “blood moon” turns red because the edge of the shadow of the earth impacts the red portion of the color light spectrum the least … see for more details.