@RASC. Observer's Handbook arrives in my mailbox. The 2019 edition makes an unbroken row of 50 well-thumbed issues on this amateur astronomer's shelf datingField Guide. Subjects: Environment, Nature & Earth. Author: The Royal Astronomical Society of Canada. Publication Year: 2019. Language: English. Observer's Handbook has been published annually by RASC since 1907. Check out the difference in detail between the images of Jupiter from 1989 and 2019. Observer's Handbook · Observer's Calendar · Journal · Skyways · The Bulletin · Observing · Observing Programs · Tips & Expectations Observer's Handbook - 2019 Updated Preview - posted in Discussion of CN Articles, takes a look at the upcoming 2019 edition of the RASC Observers Handbook.