Two articles from Space.com on how to watch the DI impact
How to Watch July 4 Comet Impact
http://www.space.com/spacewatch/050603_deep_impact.html
What you'll need to find the comet, after NASA smashes a spacecraft into it and
it brightens significantly in the night sky.
* Deep Impact: Telescopes Size Up Comet Target
http://www.space.com/scienceastronomy/050602_comet_tempel1.html
To hit a dark object traveling thousands of miles per hour in the void of space,
it helps to know exactly how big your target is.
