Observer's Handbook 2021
Observer's Handbook 2021
Published annually for over 100 years by the Royal Astronomical Society of Canada, the Observer's Handbook has become the must-have reference book for people interested in astronomy. Whether you are a professional astronomer, a beginner or educator this book is designed for you. The over 350-page guide includes comprehensive information about upcoming astronomical events and references.

Mail and parcels destined to all regions of the United States of America continue to be delivered. However, Canada Post and the United States Postal Service (USPS) are experiencing unprecedented volume across our networks. The increased volume combined with modified processes to protect employees and the public from the spread of COVID-19 are resulting in delays. We have adjusted our delivery standards to better reflect expected delivery times. Please allow 3 to 4 weeks for delivery.



General Assembly 2019

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