The Miller Planisphere - Northern U.S. and Canada
There are dozens of planispheres to choose from but this one is the classic. It has long been our most popular model. That's because this easy-to-use starfinder is a favorable choice for dialing up the night sky for any date and time. The durable plastic 10" wheel won't be affected by moisture and slips into a protective case when not in use. A great travel companion -- keep one handy in your car. Model 50 - 45-55 degrees latitude - Northern U.S. & Canada.
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The Miller Planisphere: Most of the Continental U.S.
The Miller Planishpere: Southern U.S. and Mexico