Space Views from the Hubble Telescope Wall Calendar: Not since Galileo turned his telescope toward the heavens in 1610 has any event so changed our understanding of the universe as the deployment of the Hubble Space Telescope. Orbiting 600 kilometers
Peer deep into the universe with the largest model in this deluxe series of computer-controlled telescopes.Features:8" Schmidt-Cassegrain telescope with 203.2mm aperture78% more light gathering power than 6" models2032mm focal length Focal ratio: 10Portable - weighs 33 lbs. including the tripod ...
The Celestron (r) Powertank 12V power supply is designed to allow you take your telescope anywhere. Whether you have a computerized telescope or operate your telescope using motors, it's designed with the amateur astronomer in mind. It can also be used as a roadside accessory as it includes an ...
XW20 Waterproof & Fogproof 20mm Eyepiece (25x with 80, 31x with 100) for Pentax Spotting Scopes ( & All Telescopes Which Accept 1.25 Eyepieces) with 70-Degree A