This video simulates the occulation of
Seven Sisters Star Cluster by
the Moon during a time period of
approx. 2:30 am and ending at 4:30
am EST on
Dec 11, 2008 for  
individuals in the Pittsburgh area. or
about 40 degrees north latitude.

Click on button under the video screen
on left to run the action again.
Image below identifies the names of the stars
within the Pleiades Star Cluster, also known
as the Seven Sisters or M-45.

Position of the moon within the star cluster -
Time shown below is about 2:30 am EST on
Dec 11, 2008