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Upcoming Events

08.01.2010
Open House

08.08.2010
Open House

08.13.2010 08.15.2010
Cord Marking Class

08.21.2010 08.22.2010
Initiations (1st and 2nd

All who come to me I keep. All who leave I set free.
But ever do I stand against those who carry not my key.
Tools & Calculators PDF Print E-mail
The U.S. Naval Observatory Astronomical Applications Department provides an exceptional database of useful information about astronomy as well as tools to calculate different astronomical events. Some of our favorites include.

Rise/Set/Transit/Twilight Data

 

Phases of the Moon

 

Eclipses and Transits

Computes circumstances for selected transits of Mercury and Venus at any given location.

Dates

 

Celestial Navigation

 

Miscellaneous