AHSP 2022 Binocular Challenge by Phil Harrington, FRAS - YouTube
Astronomy for All Ages: Discovering The Universe Through Activities For Children And Adults: Harrington, Philip, Pascuzzi, Edward: 9780762708093: Amazon.com: Books
PhilHarrington.net
Philip Harrington (born March 4, 1956), American Astronomer, author | World Biographical Encyclopedia
Phil Harrington Releases 2019 Astronomy Calendar Filled with Astro Images of the Universe | Astronomy Technology Today
Phil Harrington's Binocular Universe | Astronomy.com
Astronomy for All Ages by Harrington, Phillip S.; Harrington, Philip S.; Harrington, Phil: Good Paperback (1994) | ThriftBooks-Atlanta