A portable guidebook for enjoying the night sky in 2021.
2021 Night Sky Almanac is the ideal resource for both novice and experienced sky watchers in the United States and Canada, with all of the advice, information and data that enthusiasts need to understand and enjoy the wonders of the night sky.
This in-depth guide first introduces readers to the objects in the sky -- from stars, to comets, to globular clusters -- and then takes them through the cosmi.
Firefly Books 2021 night sky almanac: a month-by-month guide to north america's skies from the royal astronomical society of canada/nicole mortillaro
