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Regolith is a convenient app that approximates several calculations for the position, visibility, phases and other data about the moon. Regolith is an aid to any observer. These are the functions that Regolith can perform: * Detailed ephemeris of the moon for a given date and time, including observer's coordinate and time location and altitude * Visualization of the phases of the moon in a calendar-like format with real pictures obtained from NASA's LRO site * Real-time almanac for any given month (from the years 2000 to 2050) including illuminated fractions * A century of lunar eclipses, partial, total and penumbral * A high resolution full moon for panning, scrolling and zooming into features as an observing aid * Angle and date calculations to help you resolve your location and timing * All calculations can be scrolled into the past or the future * All screens link to each other for convenience To use Regolith you must first establish your location profile (otherwise, all calculations default to midnight - Greenwich) - this is called your "observatory". You may look up your city's coordinated easily by searching google and simply enter the location angles provided in decimal form (e.g. 53.2366). Also check the box for Daylight Savings Time and enter your time offset from GMT.


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Approximate size

41.01 MB

Age rating

For all ages

This app can

Access your Internet connection
Access your Internet connection and act as a server.


Get this app while signed in to your Microsoft account and install on up to ten Windows 10 devices.

Language supported

English (United States)

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