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Find time and duration of different sunlight phases at any location.
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A must-have app for landscape photographers
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Celestron Telescope Controller and Planetarium application
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A map of stars, planets, meteor showers, galaxies and nebulae.
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Offline GPS with MSL Altitude for Surveyors, Military & Orienteering.
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An accurate light pollution map with more than 100 other astronomy tools.
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Topographical calculations. UTM-Grid on Map. Measurement path length on Map.
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Use your phone's camera, gyro, and a Celestron telescope to see the universe!
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Backcountry mapping evolved
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Become the pioneers of a new astronomy.
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Advanced Astronomy Forecasting for North American Astronomers
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Simulates the path of the sun -- App for the popular website: www.suncalc.org
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Sun & Moon position for any location on earth : sunset, sunrise, moon phase,…
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A simple map of the sky that shows the positions of the sun, moon and planets.
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Weather, seeing, transparency, and light pollution
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Coordinate conversions between geodetic reference frames widely used in Russia
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The most comprehensive app for all eye tests; visual acuity & more.
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SkyCandy - Sunrise & Sunset Forecast app to find vivid & colorful skies.
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Sunrise, sunset, moonrise and moonset times for any date and any location
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Universal astronomy ephemeris App for calculating high precision ephemeris
