5.5" 40 Mini-Planisphere for 35-45 North

Effortlessly set the time and date on this convenient rotating disc star chart, and its sky window will display the exact night sky overhead at that specific moment, working for any hour, day, or year. Use it to learn constellations or swiftly determine when a particular sky section will be visible from your observation site, allowing you to plan your sessions ahead. This 5.5-inch Mini-Planisphere showcases over 500 stars (fainter than 4th magnitude), featuring light stars on a dark background, the Milky Way, constellation outlines, and stellar magnitudes. Crafted from heavy-duty, washable plastic, it's resistant to dew and moisture, ensuring longevity and readability, even in outdoor activities like backpacking, camping, or sailing. It comes with a protective plastic slipcase. This 40-degree North Mini-Planisphere is designed for use at observation sites between 35 and 45 degrees north, covering the northeast, north central, and northwest United States (including cities like New York, Chicago, Boise, and Sacramento).