Guide Star 61 w/Soft Case Color:Red Or to stand in front

Or to stand in front of the Hubble Space Telescope

Electronic sensors The challenges of deep-sky imaging 9

Tirion is the practical star-atlas master

000 Firmware Upgrade Yes (via mount) Working Temperature -10ºC ~ 40ºC (internal heated) Warranty One year limited

A layered necklace with the New Horizons image of Pluto  being orbited by the Moon Charon

Guide Star 61 w/Soft Case Color:Red Or to stand in frontThe William Optics GuideStar 61 lens is the same as ZenithStar 61, but with a draw tube in place of the rack and pinion focuser. It also includes a finder mount rail in place of the standard vixen rail. The main purpose of Guide Star61 is as a guide scope for astrophotography. Can be paired with the Flat61 field flattener for use as an imaging telescope. Description Supports QHY, SBIG, ZWO, and other 1. 25" cylinder type guiding cameras Guide scope