"A work of art that] no amateur astronomer should be without." The Firefly Planisphere is a valuable tool for beginner and advanced stargazers. The previous edition, published in 2013, had star maps up to 2022. This sixth edition updates the maps to 2030. Charted by the month, day, hour and minute, the Firefly Planisphere is easy to use, battery-free and weather-resistant. The...
-- Astronomy Forum