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Celestron - Advanced VX 9.25" Schmidt-Cassegrain Telescope


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Manufactured by: Celestron


CELESTRON - Advanced VX 9.25" Schmidt-Cassegrain Telescope (12046)

The Advanced VX 9.25" SCT is excellent for both visual and astrophotography due to its 33% more light gathering power than its 8" precessor. The Schmidt-Cassegrain optical tube is also very portable and easy to assemble. Since this is a classic catadioptric design, it naturally has a slow focal ratio of f/10 but also accommodates many accessories that can change this for faster imaging. When used alone, the slow focal ratio makes it very suitable for planetary or other high surface brightness observing, but when adding Celestron Focal Reducer (NOT INCLUDED, SOLD SEPARATELY), the focal ratio is reduced to f/6.3 opening the door up for faster imaging of deep sky objects. In addition, with the StarBright XLT coatings, light transmission is improved better than traditional aluminum coatings.

Celestron's Advanced VX has most of the same features found in the most advanced Celestron mounts but at a smaller price! Astrophotographers will certainly find this mount useful because it has it is capable of mounting smaller end optical tubes such as most of the Schmidt-Cassegrain optical tubes while still using the powerful alignment and slewing tools found in larger mounts like the CGE Pro and CGEM. The All-Star Polar Alignment is probably one of the best features since it strives to give the best alignment possible to the celestial pole so imaging can go more smoothly. The Periodic Error Correction built into the mount also assists in longer exposures since it counteracts constant errors in the mount's drive gears which minimize shifts during exposures. Much like the higher-end mounts, the meridian can also be imaged without flipping the mount around, a major plus for astrophotography! The Celestron Advanced VX Mount can be used between 7-77 degress latitude and utilizes the NexStar hand controller for slewing and finding objects.

  • 9.25" aperture
  • Schmidt-Cassegrain catadioptric optical design
  • Slow focal ratio f/10
  • StarBright XLT Coatings
  • All-Star Polar Alignment
  • Periodic Error Correction
  • Meridian tracking
  • 7-77 latitudes
  • NexStar Hand Controller










Product Series

Engineered from the ground up with astroimaging in mind, the new Advanced VX series from Celestron sets a new standard in mid-level telescopes. Advanced VX provides you with many of the features found on Celestron’s most sophisticated German equatorial mounts, at an extremely affordable price.

The new Advanced VX mount was specifically designed to provide optimum imaging performance for smaller telescopes. Now your smaller telescope (30 lbs. and under) can take advantage of all the features of our larger telescope mounts. You’ll be able to track through long exposures using permanently programmable periodic error correction. Image across the meridian without doing a meridian flip, so you can seamlessly image the best part of night sky. Advanced VX features a significantly larger base than our previous design, improving stability under heavy loads. Improved motors offer more torque and can hande slight load imbalances with ease.

Experienced imagers will love taking this portable mount to a dark sky site, with all the performance of their larger observatory mount. Or, if you’re new to imaging, this mount will help you get started with the hobby and keep up with your needs for years to come.

Additional Information

Name Celestron - Advanced VX 9.25" Schmidt-Cassegrain Telescope
Manufacturer Celestron
Model CEL-12046
Manufacturer Part No CEL-12046
Telescope Aperture 8.1" - 10"
Alignment Procedures 2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align
Aperture 235 mm (9.25 in)
Counterweights 1 x 11 lbs
Database 40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects
Eyepiece 1 25 mm (0.98 in)
Finderscope 6x30
Focal Length 2350 mm (93 in)
Focal Ratio 10
GPS Optional SkySync GPS Accessory
Height Max: 64" in (1626 mm) Min:44" in (1118 mm)
Highest Useful Magnification 555 x
Latitude Range 7-77 deg
Light Gathering Power 1127 x
Limiting Stellar Magnitude 14.4
Lowest Useful Magnification 34 x
Optical Design Schmidt-Cassegrain
Optical Tube Aluminum
Optical Tube Length 22" in (559 mm)
Optical Tube Weight 20 lbs (9.07 kg)
Power Requirements 12V DC 3.5A (tip positive)
Power Supply Car battery adapter
Resolution (Dawes) 0.49 arc seconds
Resolution (Rayleigh) 0.59 arc seconds
Secondary Mirror Obstruction
Secondary Mirror Obstruction by Area
Secondary Mirror Obstruction by Diameter
Tracking Modes EQ North and EQ South
Tracking Rates Sidereal, Solar and Lunar
Tripod Adjustable, Stainless Steel