Julian day: https://en.wikipedia.org/wiki/Julian_day

Julian date converter: http://aa.usno.navy.mil/data/docs/JulianDate.php

Astronomy picture of the day: http://apod.nasa.gov/apod/

An astronomer’s forecast for Durango: www.cleardarksky.com/c/DrngoCOkey.html?1

Old Fort Lewis Observatory: www.fortlewis.edu/observatory

Four Corners Stargazers: http://groups.google.com/group/Four-Corners-Stargazers