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This durable, easy-to-use plastic wheel is unaffected by moisture and slips into a protective case when not in use. Allows you to dial up the night sky for any time and date.
Great for identifying stars and planets. Even estimate the times of sunrise and sunset. This attractive planisphere is most accurate in latitude range 35° to 45° North, but useful over a wider range.
Overall diameter is 10.5 inches.
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