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"Incredibly fast optical speeds allow deep-sky imaging with short exposures, opening up a new world of scientific- and recreational-astrophotography possibilities."
The Celestron CGX 1100 EQ 11" f/2.2 Rowe-Ackermann Schmidt Astrograph combines a powerful astrophotography optical tube assembly (OTA) and a heavy-duty research-quality equatorial mount to give users the ability to capture images of near and deep-sky objects like the Moon, planets, nebulae, galaxies, clusters, and binary stars. The optical tube weighs 43 pounds, leaving extra payload capacity for guide scopes, imaging rigs, and other accessories. This near-research grade astrograph combination is ideal for imaging at home or at more remote sites.
This updated second-generation Celestron 11" f/2.2 Rowe-Ackermann Schmidt Astrograph v.2 builds on the success and performance of its earlier iteration with the addition of an improved Ultra-Stable Focus System that minimizes both focus shift and mirror flop to improve image quality.
The RASA system is specifically designed for astrophotography and astroimaging with a large 11" aperture and fast f/2.2 focal ratio. The optical tube assembly (OTA) is being offered by itself without a mount and comes with a Celestron CGE-style dovetail plate for use on mounts that accept the larger Losmandy-size mounting system.
Using 4-element rare-earth optical glass lenses ensures accurate color rendition and eliminates aberrations such as coma and field curvatures. The StarBright XLT multi-coating system, which includes anti-reflection coatings on the lenses and highly reflective coatings on the mirrors, increases light transmission throughout the entire optical path. A 12VDC MagLev fan reduces cooldown time and provides optimal airflow through the optical tube while filtering harmful dust from the interior.
The 43.3mm imaging circle is made to cover today's large DSLR and CCD imaging sensors to capture full-frame shots without vignetting, while a fast focal ratio reduces exposure times and background noise without sacrificing image quality and gives you more time for multiple shots of the same object with different filters for later post processing and stacking. Since this OTA is designed as an imaging scope, a 42mm T-thread camera adapter and 48mm camera adapter are provided. Other adapters are available separately if required.
Celestron's CGX GoTo EQ Mount with Tripod improves on their venerable CGEM platform to provide users with a heavy-duty research-quality mount for larger optical tube assemblies (OTAs), accessories, and imaging rigs. Engineered to carry a 55-pound payload and outfitted with high-torque motors with a heavy-duty belt-drive system to improve tracking stability and reduce backlash, it is able to smoothly and accurately track near- and deep-sky objects for long periods of time. Its Vixen/Losmandy dual dovetail saddle makes the mount compatible with most plates in use today. To provide a stable platform for the mount and your OTA, a heavy-duty stainless steel tripod is included that sports large 2"-diameter legs, an accessory tray that doubles as a stabilizer, and an adjustment range from 47.25 to 77.5" including the head.
The brain of the CGX EQ is the NexStar+ computer controller. Equipped with a database of 40,000 objects, including the planets, stars, nebulae, galaxies, and the complete Messier catalog, it can also be programmed with up to 100 custom user-defined objects and filters for custom object lists. Its intuitive menu-driven user interface allows you to observe the heavens with nine slew speeds and three tracking rates, plus anti-backlash compensation and Permanent Periodic Error Correction (PPEC) for smoother movements in the motors and improved tracking over time. Features such as guided tours, extended information on 200 popular objects, and multiple alignment options make the NexStar+ controller easy to use and invaluable to new users and experienced stargazers.
The 12 lb Counterweight for Advanced VX from Celestron helps to counterbalance the mass of a Schmidt-Cassegrain optical tube mounted on the Advanced VX equatorial mount. This telescope accessory is useful for off-setting the additional weight of imaging accessories like a camera or tele-converter.