There are several sources of Almanac published online and in writing.
- HM Naval Almanac has an Astronomy Publication that can be purchased from HM Almanac Publications.
- A 2021 Guide to the Night Sky by The Royal Observatory Greenwich. Published by Collins
- A 2021 Stargazing Month by Month Guide to the Night Sky. Published by Phillips
- Sky at Night Magazine and Astronomy Now magazines both provide detailed information about the night sky each month