Questar 3.5-inch The Observatory's three Maksutov-Cassegrain Questars are generally considered to be the "cadillacs" of small telescopes. Although the small aperture, 3.5 inches in diameter, only ...

Hosting an all-aluminum, 17.7-inch (45 centimeters) aperture Cassegrain telescope ... of its star from a telescope's perspective—termed a transit—the star’s light passes through the ...

The 24-inch Boller & Chivens f/8 Cassegrain was installed in the dome of Sommers-Bausch Observatory in 1973 ... For the first eight years of its life, the 24-inch was the sole telescope at SBO, and ...