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Look to the stars--and find them, at any evening hour, any season of the year! And don't forget the planets, too. You'll feel as if you have a personalized tour guide to outer space (as seen in the northern latitudes) when you set the date and time on this movable disk. Hold the planisphere directly overhead and with the midnight mark pointing north. All the constellations on the map will then come into focus for you. Just begin by locating one, and move along the sky, helped by the lines joining the stars on the chart. Finding the planets takes a little more work, because they all revolve at different rates and can't be plotted permanently; but the tables will show you how to figure out the position of the brightest (Venus, Mars, Jupiter, and Saturn). Bonus: you can calculate sunrise and sunset for any particular day!
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