Peter Manly, a devotee and keen user of the Schmidt-Cassegrain, takes the telescope owner through all aspects of using the ... Appendices tell the reader how to polar align, collimate and clean the ...

This category is the size most amateur astronomers use. One of the most popular scopes is an 8-inch Schmidt-Cassegrain. Finally, any telescope with a lens or mirror larger than 10 inches is "large." ...

Getting started in astrophotography can be daunting. With so many different telescopes, cameras, and mounts and all their ...

McKim is also well equipped with modern instruments, including five Celestron 8-inch and one Celestron 11-inch Schmidt-Cassegrain telescopes, an SBIG ST-6 CCD camera, a webcam, equipment for ...

The PC was widely fitted with either 5.25″ or 3.5″ disk drives, but other formats such as the older 8″ discs were not a fixture in the 16-bit desktop computing world. It’s something [Jozef ...

If [Justin] pointed his 8 inch Schmidt–Cassegrain directly at the sun, he would most likely damage the optics in his ‘scope, burn several retinas, and other very, very bad things. The best ...

The 16-inch Meade Schmidt-Cassegrain telescope’s mirror makes it the largest in Philadelphia; for comparison, the Franklin Institute’s Joel N. Bloom Observatory has an 8” Schmidt-Cassegrain. To reach ...

Go used a Celestron C14 14-inch Schmidt-Cassegrain telescope mounted on an Astrophysics AP900GTO. It was also photographed from New Delhi, India by Sona Shahani Shukla using an 8-inch Skywatcher ...

The best travel telescopes let you take stargazing with you to enjoy night skies and night sighs no matter how far you roam ...

Save $400 on one of the best telescopes — Celestron Advanced VX 8-inch EdgeHD is now 14% off at Adorama in this price drop before Amazon Prime Day. Amazon Prime Day Big Deals Day is soon ...