Photos, diagrams, and image links

Generate a sky map for your town on any date using John Walker’s Your Sky:
http://www.fourmilab.ch/yoursky/

Find the latitude and longitude of your city with the U.S. Census Bureau Gazetteer:
http://www.census.gov/cgi-bin/gazetteer

Residents of the United States can check their local weather forecast online at the National Weather Service Web site:
http://www.nws.noaa.gov/organization.php

NASA Image

Jet Propulsion Laboratory Images
Comet image
Comet debris

Walker Public Domain Image

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