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LunarPhase

By LunarPhase Pro Free to try Editors' Rating

Editors' Review

Download.com Staff Feb 27, 2009
Unlike some of its rivals, LunarPhase doesn't offer a list of home locations. Instead, you have to manually fill in the GMT time zone, longitude, and latitude of your city. The brushed-metal interface looks great, but you can't move or resize the window. The tool tips display too slowly. Once we started exploring the program, though, we forgave these flaws. You can view information on any day in the current month by clicking the date, as in any calendar program. What's even cooler is that you can click into the month or date field and change those parameters, too. Thus we learned that when man was first walking on the moon on July 20, 1969, a waxing crescent shone on San Francisco. A lunar eclipse calculator tells you when the next eclipses will occur, whether it's total, and whether it will be visible from your home location. The program provides a database of lunar features, although only experts will be able to make sense of the lunar coordinates. The trial version lets you use the program up to 100 times during 30 days. Moonstruck amateur astronomers will enjoy LunarPhase.

Full Specifications

What's new in version 2.62

General

Release November 8, 2008
Date Added February 18, 2002
Version 2.62

Operating Systems

Operating Systems Windows 95, Windows 2000, Windows 98, Windows Me, Windows, Windows XP
Additional Requirements Windows 95/98/Me/2000/XP

Popularity

Total Downloads 16,524
Downloads Last Week 0
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Developer's Description

LunarPhase provides a wide range of information about the moon, graphically displaying the current phase in real time and showing the times and dates of the major lunar phases for the month, the illuminated fraction of the lunar disk, the current age of the moon and its distance from the Earth, the real-time position of the moon in both RA/Dec and Alt-Az coordinates, its parallax and visible diameter, the times and dates of the next apogee and perigee, the position angle of the bright limb, the phase angle, and the rise, set, and transit times for the moon and sun. The program also calculates lunar eclipses, provides a database of 1,961 lunar features, and calculates sunrise and sunset times for those features on the moon.