Telescopes and Equipment How does one determine magnification? I have an Edmund Scientific Astroscan, 4-1/8-inch aperture, F/4.2 reflecting telescope, used with a 2.5x Barlow lens and a 28mm Plossl eyepiece.
Telescopes and Equipment I am struggling to find a system for telescopic observations of the planets and their major moons worthy of photographing. One wrinkle: I am in a wheelchair and almost blind.
Telescopes and Equipment When amateur astronomers grow old and wish to donate their telescope and observatory to their local club, who assesses the value?
Exotic Objects, Telescopes and Equipment Telescopes team up to produce highest-resolution astronomical image
Cosmology, Exoplanets, Planets, Stars, Telescopes and Equipment Web Extra: 2015’s other big space stories
