Monthly events customizable for different locations.

Provides updated weekly information about the night sky, including specific planetary locations and details on the most important asteroids, comets, and meteor showers.

Daily weather averages and astronomical information.

Sends subscribers a daily email on astronomical events such as satellite passes and meteor showers.

A calendar of celestial events by the appropriate month.

Static versions for Mauna Kea for the years 1998 through 2004.

Month at-a-glance, what's up, planet watch, phases and encounters sun watch, and star maps and charts.

The sky at a glance, highlights, sky chart, and gallery from Sky and Telescope Magazine.

A slide rule moon phase calendar determines the phases for any date, past (8000 years), present, or future.

Graphical short-term predictions of seeing related weather conditions at a large number of sites in North America.

Program that when given a particular date generates information, the Julian date, sun rise and set times, moon rise and set times, and percent illumination.

Listing of celestial events good for viewing including planetary, lunar, eclipses, and meteor showers.