Dec 16, 2010 — By ¾ÅÉ«ÊÓƵ News Services — Mark your calendars for a very special celestial event this December. In the early morning hours of Tuesday, Dec. 21, the full moon will glide through the deepest part of Earth's shadow, causing a total lunar eclipse. The Lake Afton Public Observatory will be open to the public for this special event from midnight-4:30 a.m.