From the November 2008 issue

Stephen James O’Meara’s Secret Sky: A mirror image

January 2009: Did William Herschel's mind play tricks on him when he observed Uranus?
By | Published: November 24, 2008 | Last updated on May 18, 2023
This month, we’ll investigate some more of Herschel’s intriguing ring observations, as well as how the observer’s mind may have affected what he saw, or expected to see.