Star Pilot by Star Pilot Technologies is an interactive star map for Palm. The first time you use Star Pilot you need to choose your location either by selecting one of the included cities or by specifying your longitude and latitude. After your location is configured, Star Pilot will automatically launch with the star map for your location and current time. The registered version shows approximately 500 stars. You can configure the display to show black stars on a white background or white stars on a black background. You can also add an overlay that displays an approximate connect-the-dots outline of the constellations. You can also zoom in on rectangular sections of the sky. This view shows approximately 1/12 of the sky at once. Tap on any star to see its name, constellation, star type, distance, right ascension, declination, and magnitude. You can also access this information in the full sky view by first tapping the button with a crosshairs graphic in the bottom left corner then tapping on a star. The registered version also lets you search for a specific star or constellation. I am not sure how the search facility returns results since I downloaded an unregistered copy for this review. Star Pilot costs $30.
Moon Phase by Steven Kienle provides a graphical representation of the phase of the moon on a specified day. By default, it uses the current date but Moon Phase allows you to pick a different day to view instead. It also allows you to choose the next new moon, full moon, and the next two half moons.
The Messier Objects JFile database lists each Messier object by number. It also lists its common name, abbreviation, type, right ascension, declination, magnitude, size, and burn.
The JTF: Of Planets and Eclipses doc file by PalmaServ lists information on every planet in the solar system and on the solar eclipses through 2010. Some of the information it lists for each planet is its distance at perihelion and aphelion, the duration of a solar orbit, the length of a synodic and a sidereal day, its mass, its volume, its mean density, its moons, and the average surface temperature in degrees Fahrenheit. It lists the date of each solar eclipse as well as the location of the path of totality and its width (in minutes and seconds).
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