Some Observing Tools

Calculate Local Apparent Sideral Time

Java tools

LST for several observatories (a Java applet)

UTC Clock and Phase of Moon

Calculate Rise and Set Times for Sun and Moon for One Day or One year

Current Lunar Phase and Phases of the Moon

Data for Bright Stars and Major Solar System Bodies

Other Information from USNO Astronomical Applications Department

Horizons, JPL's Ephermeris

Astrophysical Calculator and Constants