Physics 101 - Astronomy - information on the sky and the weather
Night Sky viewing
Clear Dark Sky (check this prior to observing)
http://www.cleardarksky.com/c/McmbILkey.html?1
Moon Phase Calendar (to check for moonless nights)
http://stardate.org/nightsky/moon/
Night Sky (charts, satellite viewing, comets, ephemera)
http://www.heavens-above.com/main.aspx?Loc=Macomb&Lat=40.459&Lng=-90.672&Alt=215&TZ=CST
Space Weather
http://www.spaceweather.com/
Astronomy Picture of the Day (check out the archives, too)
http://antwrp.gsfc.nasa.gov/apod/astropix.html
Planetary orbits
http://ssd.jpl.nasa.gov/?orbits
View Earth from any point above surface
http://www.fourmilab.ch/earthview/vplanet.html
View Mars (opens several windows)
http://www.giss.nasa.gov/tools/mars24/applet.html
NASA Eclipse home page
http://sunearth.gsfc.nasa.gov/eclipse/eclipse.html
Weather links
Macomb Airport Conditions:
http://weather.noaa.gov/weather/current/KMQB.html
Unisys weather loop (national, 6 hour)
http://weather.unisys.com/images/sat_sfc_map_loop.html
Unisys dewpoint (national, current)
http://weather.unisys.com/surface/sfc_con_dewp.html
National Weather Service forecast for Macomb
http://forecast.weather.gov/MapClick.php?CityName=Macomb&state=IL&site=DVN
Upper Mississippi Valley loop (one hour)
http://radar.weather.gov/Conus/uppermissvly_loop.php
NWS short range composite loop for Central Illinois
http://radar.weather.gov/radar.php?product=NCR&rid=ILX&loop=yes
NWS long range reflectivity from Quad Cities
http://radar.weather.gov/radar.php?product=N0Z&rid=dvn&loop=yes
National Hurricane Center
http://www.nhc.noaa.gov/
Misc. links
Time
http://www.time.gov/ or
http://tycho.usno.navy.mil/cgi-bin/timer.pl
Earthquakes
http://earthquake.usgs.gov/