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Celestron SC 279/2800 CGX 1100 GoTo
Computerized equatorial movement shapes the Celestron SC 279/2800 CGX 1100 GoTo, pairing a 279.4mm Schmidt-Cassegrain with 2800mm focal length and CGX control.
- 279.4mm aperture provides 0.41-arcsecond resolution
- 2800mm focal length uses f/10 optics
- CGX mount provides motorized equatorial movement
- 40mm eyepiece and CPWI software included
- 3x 5.4kg counterweights and tripod included
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Description
Advanced belt-driven equatorial control defines the Celestron SC 279/2800 CGX 1100 GoTo, an 11-inch Schmidt-Cassegrain telescope with a 2800 mm focal length and listed f/10 optical ratio. Its CGX computerized German equatorial mount provides dual dovetail support, motorized tracking, NexStar+ control, belt-driven mechanics, a 55-pound capacity, StarBright XLT optical performance, 40 mm eyepiece, 9×50 finder, steel tripod, three counterweights, CPWI software, and DC power cable.
The aluminum optical tube uses internal primary focusing and supports Fastar and HyperStar compatibility, while the 279.4 mm aperture and long 2800 mm focal length support the listed lunar, planetary, deep-sky, and imaging applications. The CGX system requires 12V DC power at the listed 4.0 amps, and careful balancing, alignment, thermal preparation, and cable management remain important during extended observation or imaging sessions.
Key Features of Celestron SC 279/2800 CGX 1100 GoTo
This advanced computerized telescope combines an 11-inch Schmidt-Cassegrain optical tube with StarBright XLT coatings, CGX belt-driven equatorial control, 55-pound instrument capacity, dual dovetail mounting, Fastar compatibility, NexStar+ navigation, CPWI software, 40 mm eyepiece, finder, tripod, counterweights, and diagonal.
- 279.4 mm Schmidt-Cassegrain optical system
- 2800 mm focal length with listed f/10 optical ratio
- CGX computerized German equatorial mount
- 55-pound instrument capacity
- Belt-driven mount system
- StarBright XLT optical coatings
- Fastar and HyperStar compatible tube
- 40 mm eyepiece, 9×50 finder, CPWI, tripod, and counterweights
Belt-Driven High-Capacity Tracking
The supplied application focuses on computerized tracking of lunar, planetary, stellar, and deep-sky targets, with the 2800 mm optical system supporting long-focus observation while the CGX mount provides belt-driven movement, high payload support, computerized alignment, and CPWI control for compatible camera, filter, guide-scope, and imaging configurations.
Why Choose Celestron SC 279/2800 CGX 1100 GoTo
The CGX 11-inch configuration is relevant for buyers who need more mount capacity and drive control for heavy imaging chains, while retaining StarBright XLT optics, Fastar support, long focal length, dual dovetail mounting, CPWI software, three counterweights, and a complete computerized equatorial platform for demanding planetary or deep-sky work.
- 55-pound CGX capacity for heavier instrument combinations
- Belt-driven equatorial mount with CPWI and computerized alignment
- Eyepiece, finder, tripod, counterweights, controller, diagonal, and power cable included
Celestron 2-Year Limited Warranty
The supplied product information lists a 2-year limited warranty for this telescope, while current manufacturer listings may provide separate CGX and 11-inch Schmidt-Cassegrain information, so buyers should confirm the applicable US warranty terms, optical coverage, mount electronics coverage, software support, registration requirements, and authorized service process before ordering.
Celestron SC 279/2800 CGX 1100 GoTo Specs
| Brand | Celestron |
| Full Model Code | Celestron CGX Computerized Telescope 1100 Schmidt-Cassegrain (12058) |
| Country of Origin | United States / China |
| Optical Design | Schmidt-Cassegrain (Catadioptric Core) |
| Aperture | 279.4 mm (11.0 inches) |
| Focal Length | 2800 mm |
| Focal Ratio | f/10 |
| Optical Coatings | Premium StarBright XLT High-Transmission Coatings |
| Secondary Mirror Obstruction | 95 mm |
| Secondary Mirror Obstruction by Diameter | 34% |
| Secondary Mirror Obstruction by Area | 11.6% |
| Resolving Power | 0.41 Arcseconds (Dawes), 0.50 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 14.7 |
| Highest Useful Magnification | 660x |
| Lowest Useful Magnification | 40x |
| Optical Tube Material | Aluminum |
| Focuser Style & Mechanism | Internal Primary Mirror Focus Assembly |
| Mirror Lock Mechanism | No (Fastar and HyperStar Compatible) |
| Optical Tube Dimensions | 330.2 mm x 610 mm |
| Optical Tube Weight | 12.47 kg (27.5 lbs) - Tube Only |
| Mount Attachment Type | CGX Professional Motorized German Equatorial Mount (Low-Profile Heavy-Duty Belt-Drive System) |
| Finder Scope Specification | 9x50 Optical Finder Scope with Bracket |
| Included Accessories | 40mm Plossl Eyepiece (70x), 90-Degree Star Diagonal (1.25-inch), 1.25-inch Visual Back, Full-Length Losmandy CGE Rail, CGX Equatorial Head, Heavy-Duty Steel Tripod (2-inch Legs), NexStar+ Hand Controller, 3x 5.4kg Counterweights, DC Power Cable, CPWI Software |
| Power Requirements | 12V DC, 4.0 Amps (Tip Positive) |
| Standard Warranty | 2-Year Limited Warranty |
| Application | Advanced research-grade astrophotography and automated deep space mapping, aligning an 11-inch f/10 XLT barrel assembly on a spring-loaded worm-gear tracking core to lock onto faint galaxies. |
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