GSO 12" f/8 RITCHEY-CHRETIEN CARBON TRUSS OTA ED AzEq6 and the newer Eq6

AzEq6 and the newer Eq6 mounts (model purchased after August 2008)

By using PoleMaster you can monitor your polar alignment in real time

The D2 line at 5890Å is brighter than both Calcium and even Hydrogen Alpha

Optical thickness 12 mm without adapters SKU QHY-OAG-M-PRO

Optical thickness 8

GSO 12" f/8 RITCHEY-CHRETIEN CARBON TRUSS OTA ED AzEq6 and the newer Eq6The Ritchey Chrtien telescope is the most popular optical design used by professional astronomers and astroimagers all over the world. The Hubble Space Telescope itself uses the RC configuration. All new GSO RC telescopes now come with an upgraded focuser allowing you to connect the ZWO & QHY EAF focusers without additional modification. The Guan Sheng Optical RC's are excellent astrographs with solid build quality and precisely figured optical