Back to Article List Orion’s 102mm f/7 ED refractor This refractor has features tailored for astroimaging and provides high-quality sky views. By Michael E. Bakich | Published: January 16, 2007 | Last updated on May 18, 2023
Astrophotography, Telescopes and Equipment Celestron’s NexImage 20 makes planetary imaging affordable and fun
Human Spaceflight, Today in the History of Astronomy Aug. 12, 1946: President Truman establishes the National Air Museum