Toptagged astronomy and Exploration (2 results)
Explore tools tagged astronomy and Exploration on itch.io · Upload your tools to itch.io to have them show up here.
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Ultikythera is a field sextant, planetarium, eclipse predictor, and survival chronometer in one instrument
Offline sky almanac for moon phases, planets, eclipses, seasons, transits, rise/set times, & local sky planning guide.