Data Online

Sunrise, Sunset, Moonrise, Moonset, and Twilight

		Complete Sun and Moon Data for One Day
		Table of Sunrise/Sunset, Moonrise/Moonset, or Twilight Times for an Entire Year

Moon Illumination

		Phases of the Moon 1990-2005
		Table of Moon Illumination for an Entire Year

Eclipses

		Recent and Upcoming Eclipses of the Sun and Moon
		Lunar Eclipse Computer

Positions of the Sun and Moon

		Altitude and Azimuth of the Sun or Moon During One Day
		Position of the Sun at Noon for Washington, D.C.

Data for Major Solar System Bodies and Bright Stars

		Positions, Rise/Set/Transit, Physical Ephemerides - plus Sidereal Time & Julian Dates
		Web version of MICA - Multi-Year Interactive Computer Almanac

Dates

		Earth's Seasons - Equinoxes, Solstices, Perihelion,and Aphelion 1992-2005
		Spring Phenomena, 25 BCE to 38 CE
		Date of Easter

Miscellaneous

		International Celestial Reference System (ICRS) - Important Links
		Comet Hale-Bopp Celestial Coordinates - 5-Day Ephemeris (Minor Planet Center)
		Occultations of Stars by Asteroids (International Occultation Timing Association)

DoD Information

DoD Information (restricted access)