User Manual for Celestron Advanced VX 9.25" f 10 Schmidt-Cassegrain GoTo EQ Telescope Click to enlarge the picture
Contents of the user manual for the Celestron Advanced VX 9.25" f 10
- Product category: Catadioptrics (Cassegrains) Celestron
- Brand: Celestron
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Celestron Catadioptrics (Cassegrains)
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User manual for the Celestron Advanced VX 9.25" f 10 contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Celestron product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Celestron user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Celestron product will considerably shorten its lifespan!
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Product description Ideal for beginner and intermediate amateur astronomers, the Celestron Advanced VX 9.25" f/10 Schmidt-Cassegrain GoTo EQ Telescope provides users with a complete platform for making detailed observations of the Moon and planets, with the ability to reach out beyond our solar system to view galaxies, nebulae, stars, clusters, and thousands of objects at the touch of a button. Included here is a large-aperture Schmidt-Cassegrain optical tube assembly, the iconic NexStar+ GoTo computer hand controller with a 40,000+ object database and alignment assistance, the solid Advanced VX motorized mount, plus an assortment of accessories to get you set up and observing right out of the box. - C9 1/4-A XLT 9.25" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail)
- Celestron Advanced VX Schmidt Cassegrain Product Overview
Outfitted with a large aperture, long effective focal length, and their proprietary StarBright XLT optical coatings, the Celestron C9 1/4-A XLT 9.25" f/10 Schmidt-Cassegrain Telescope provides power and portability. The coating system consists of anti-reflection coatings on the corrector plate, highly reflective index mirror coatings, and low-absorption/high-transmission glass components to ensure that the maximum amount of light is gathered and transmitted to your eye. This system ensures bright and clear high-contrast images with accurate color rendition across the entire visual spectrum without visible distortion at the edges. Celestron includes a standard 1.25" visual back to accept eyepieces and accessories such as the 25mm eyepiece and 90° diagonal supplied with the optical tube assembly (OTA). This OTA is offered here without a mount or tripod for users who already have a support system. Just ensure the mount's payload capacity exceeds 20 pounds to safely carry the weight and that the mount has a Vixen-style saddle to match the OTA's CG-5 mounting plate. - Optical Tube
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- 9.25" (235mm) aperture
- f/10 focal ratio
- 2350mm effective focal length
- Schmidt-Cassegrain design optical path
- StarBright XLT optical coatings
- Resolution: 0.59 arcsec (Rayleigh); 0.49 arcsec (Dawes)
- Secondary mirror obstruction: 3.35" (85 mm); 36% by diameter; 13% by area
- StarBright XLT System
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- Maximizes light transmission through optical path
- Improves color rendition, contrast, sharpness, resolution, and brightness
- Broadband system provides flat wavelength transmission across the entire visual spectrum
- Multi-layer mirror coatings with layers of aluminum, SiO2 (quartz), and TiO2 (titanium dioxide)
- Multi-layer anti-reflective corrector plate coatings with layers of MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide); hafnium has a wider band-pass than the commonly used titanium
- High-transmission water white glass corrector plate limits light loss due to internal absorption
- Mounting
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- Optical tube only—mount and tripod required for proper use
- Supplied with CG-5 dovetail plate, which is compatible with Vixen-style saddles
- Mount must have a payload capacity of over 20 pounds to safely support the OTA
- Included Accessories
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- Visual back:
- Standard threads for Schmidt-Cassegrain telescope optical tubes
- 1.25" eyepiece holder accepts 1.25" eyepieces and accessories
- Eyepiece:
- 1.25"-diameter barrel
- Accepts most 1.25" astronomical filters
- 25mm focal length produces 94x magnification
- Diagonal:
- 1.25"-diameter barrel
- 90° angle places head in comfortable viewing position when scope is aimed at or near the zenith
- Star diagonal corrects view horizontally, but not vertically
- Finderscope:
- 6x magnification
- 30mm aperture
- Mounting bracket included
UPC: 050234102599 - Advanced VX GoTo German Equatorial Mount Engineered and optimized for astrophotography with mid-sized optical tube assemblies (OTAs), the Celestron Advanced VX GoTo German Equatorial Mount delivers the performance required for clear images through the use of dual-axis low-cog DC servo motors and backlash compensation. Added to this are encoders on the motors and Permanent Periodic Error Correction (PPEC), which help to improve positioning and tracking precision and ensure your target object stays centered for long-exposure photography techniques. Supporting the mount is a large 2" stainless steel tripod that has a wide stance for stability on most terrain and a center tray that holds 1.25" and 2" eyepieces and accessories and acts as a leg lock to further stabilize while helping to minimize vibrations.The brain of the system is the NexStar+ computer controller, which is equipped with a database of over 40,000 objects, including the planets, stars, nebulae, galaxies, and the complete Messier catalog; it can also be programmed with up 100 custom user-defined objects with filters to create custom object lists. Its intuitive menu-driven user interface makes observing the heavens fast and easy; features such as guided tours, extended information on 200 popular objects, and multiple alignment options make the NexStar+ controller an invaluable tool to new users and experienced stargazers alike.
- Advanced VX Mount
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- 30-pound payload capacity
- Dual-axis low-cog DC servo motors
- Dual motor encoders improve tracking and location accuracy with reduced vibrations
- 7-77° latitude range
- Uninterrupted tracking below meridian to enable observation from a raised location such as a balcony or hilltop
- Integrated 12" counterweight bar with one 12-pound counterweight
- Vixen-style CG-5 dovetail saddle
- NexStar+ Hand Controller
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- 40,000+ object database
- 100 user-defined programmable celestial or terrestrial objects
- Enhanced information on over 200 objects
- Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, 0.3°/sec, 32x, 16x, 8x, 4x, 2x
- Three tracking rates: Sidereal, Solar, Lunar
- Multiple alignment procedures: Two-star, One-star, Solar system, Quick-align, Last-align
- Sky Tour Mode: System seeks out the best objects for the date and time and automatically slews to them
- Identify Mode: Use to identify an unknown object in the field of view, or to find other celestial objects that are close to where the user is viewing
- Anti-backlash compensation: Trains out the intrinsic play between gears for more precise slewing and tracking
- Permanent Periodic Error Correction (PPEC): System learns its internal tracking errors and improves over time for more precise tracking, requiring fewer corrections
- Built-in instructions guide you through the alignment procedures
- 4-line, 18-character LCD display with a 19-button fiber-optic backlit LED keypad
- RS-232 comm port
- Supports English, French, Italian, German, and Spanish
- Database details:
- Solar system: Seven planets, Moon, Sun, and Pluto
- Custom lists of all the brightest stars, double stars, variable stars, and asterisms
- Custom lists of galaxies, nebulae, and clusters, as well as the complete Messier catalog and select NGC objects
- Tripod
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- Tubular stainless steel legs
- 2" leg diameter
- 44-64" height-adjustment range
- Center tray holds 1.25 and 2" eyepieces and locks legs in place for greater stability and vibration reduction
- Removable hand controller holder can be moved to avoid cord wrap during long observation sessions
- Weight: 18 pounds
UPC: 050234915199 In the Box Bundle Items C9 1/4-A XLT 9.25" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail) fbrwabfzwfdxdases - Universal Mounting Plate, CG-5
Advanced VX GoTo German Equatorial Mount - Stainless Steel Tripod with Tray
- 12 VDC Car/Vehicle Power Cord
Table of Contents
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Technical parameters - C9 1/4-A XLT 9.25" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail)
| Optical Design | Schmidt-Cassegrain | | Aperture | 9.25" / 234.95mm | | Focal Length | 2350mm | | Focal Ratio | f/10 | | Eyepiece Barrel Diameter | 1.25" | | Diagonal | 90° star
1.25" barrel | | Finderscope | 6x30 mm | | Tripod | None | | Mount Type | CG-5 dovetail plate | | Power Source | None | | Optical Tube Length | 22" / 55.9 cm | | Weight | 20.0 lbs / 9.11 kg | | | | Box Dimensions (LxWxH) | 29.6 x 17.4 x 16.0" | - Advanced VX GoTo German Equatorial Mount
| Mount Type | German equatorial | | Load Capacity | 30 lb / 13.6 kg | | Motor | Dual-axis DC servo with encoders | | GoTo Capability | NexStar+ hand controller | | Altitude / Latitude Adjustment | 7 - 77° | | Polar Axis Scope | None | | Mount | CG-5, Vixen-style, dovetail saddle | | Includes Tripod/Pier | Adjustable-height tripod
2" tubular stainless steel legs
Adjustment range: 44.0 - 64.0" / 111.8 - 162.6 cm
Weight: 18.0 lb / 8.2 kg | | Counterweight | 1 x 12.0 lb / 5.4 kg | | Power Source | 12 VDC, 3.5 A car/vehicle plug | | Weight | Head: 17.0 lb / 7.7 kg
Tripod: 18.0 lb / 8.2 kg | | | | Box Dimensions (LxWxH) | 38.0 x 26.0 x 12.0" |
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