2021 Observing Calendar
The Sky & Telescope 2021 Observing Calendar guides you through an entire year of celestial highlights. Each month features a stunning astronomical image, along with numerous viewing tips and a listing of noteworthy sky sights. You’ll learn how and when to spot the bright planets, eye-catching conjunctions, and enjoy the year's finest meteor showers. The phases of the Moon are clearly presented, so you’ll know when conditions are optimal for seeking out deep-sky treasures under dark skies.
SPECIAL OFFER: Get this calendar for free with purchase of the 2022 Observing Calendar! Add both items to cart and use discount code CALENDAR at checkout.