GSW AstroProducts takes a new approach to the star wheel with Planisphere 2 ($29.95). Each kit contains a planisphere, operating manual, compass, and 20 star maps on 10 interchangeable disks. Each disk depicts a small area of sky to accurately portray the constellations without the distortion of standard planispheres. This new learning aid is available in two models for Northern Hemisphere skygazers: one for latitudes from 26° to 38°, and the other for latitudes 38° to 50°.
GSW AstroProducts, Inc. PO Box 4731, Ft. Myers, FL 33918; 239-995-0088; www.planisphere2.com
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