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Computerised Refractors |
Specifications |
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| Model Name & Number | Celestron NexStar SLT 60 22076 |
Celestron NexStar SLT 80 22086 |
Celestron NexStar SLT 102 22096 |
| Optical Design : | Refractor | Refractor | Refractor |
| Weight : | 9.5 lb (4.31 kg) | 14 lb (6.35 kg) | 14 lb (6.35 kg) |
| Aperture : | 60 mm (2.36 in) | 80 mm (3.15 in) | 102 mm (4.02 in) |
| Focal Length : | 700 mm (27.56 in) | 900 mm (35.43 in) | 660 mm (25.98 in) |
| Focal Ratio : | 11.67 | 11.25 | 6.47 |
| Finderscope : | StarPointer | StarPointer | StarPointer |
| Mount : | Motorized Altazimuth | Motorized Altazimuth | Motorized Altazimuth |
| Eyepiece 1 : | 25 mm (0.98 in) | 25 mm (0.98 in) | 25 mm (0.98 in) |
| Magnification 1 : | 28 x | 36 x | 26 x |
| Eyepiece 2 : | 9 mm (0.35 in) | 9 mm (0.35 in) | 9 mm (0.35 in) |
| Magnification 2 : | 78 x | 100 x | 73 x |
| Star Diagonal : | 1.25 | 1.25 | 1.25 |
| Accessory Tray : | No Tool, Quick release | No Tool, Quick release | No Tool, Quick release |
| Tripod : | Steel | Steel | Steel |
| CD ROM : | "The Sky®" Level 1&NexStar Observers List (v2.6.4c) | "The Sky®" Level 1&NexStar Observers List (v2.6.4c) | "The Sky®" Level 1&NexStar Observers List (v2.6.4c) |
| Highest Useful Magnification: | 142 x | 189 x | 241 x |
| Limiting Stellar Magnitude: | 11.4 | 12 | 12.5 |
| Resolution (Rayleigh) : | 2.32 arcsec | 1.74 arcsec | 1.37 arcsec |
| Resolution (Dawes) : | 1.93 arcsec | 1.45 arcsec | 1.14 arcsec |
| Photographic Resolution : | 171 line/mm | 182 line/mm | 308 line/mm |
| Light Gathering Power : | 73 x | 131 x | 212 x |
| Angular FOV: | 1.6 ° | 1.3 ° | 1.7 ° |
| Linear FOV (@1000 yds) : | 84 ft (25.6 m) | 66 ft (20.12 m) | 91 ft (27.74 m) |
| Optical Coatings : | Fully-Coated | Fully-Coated | Multi-Coated |
| Computer Hand Control : | Computerized/Flash Upgradeable | Computerized/Flash Upgradeable | Computerized/Flash Upgradeable |
| Slew Speeds : | Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, .5°/sec, 32x, 16x, 8x, 4x, 2x | Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, .5°/sec, 32x, 16x, 8x, 4x, 2x |
Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, .5°/sec, 32x, 16x, 8x, 4x, 2x |
| Tracking Rates : | Sidereal, Solar and Lunar | Sidereal, Solar and Lunar | Sidereal, Solar and Lunar |
| Tracking Modes : | Alt-Az, EQ North and EQ South | Alt-Az, EQ North and EQ South | Alt-Az, EQ North and EQ South |
| Alignment Procedures : | SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align | SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align | SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align |
| Database : | 4,000 Object Database | 4,000 Object Database | 4,000 Object Database |
| GPS : | Optional CN-16 GPS Accessory | Optional CN-16 GPS Accessory | Optional CN-16 GPS Accessory |
Price |
$649.00 | $925.00 |
$949.00 |
| Specifications |  |
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| Model Name & Number | Celestron Advanced Series C6-RGT 21020 |
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| Optical Design : | Refractor | ||
| Weight : | 68 lb (30.84 kg) | ||
| Aperture : | 150 mm (5.91 in) 1200 | ||
| Focal Length : | 1200 mm (47.24 in) | ||
| Focal Ratio : | 8 | ||
| Finderscope : | 9x50 | ||
| Mount : | CG-5 Equatorial | ||
| Eyepiece 1 : | 20 mm (0.79 in) | ||
| Magnification 1 : | 60 x | ||
| Star Diagonal : | 1.25 | ||
| Accessory Tray : | YES | ||
| Tripod : | 2 inch Stainless Steel | ||
| CD ROM : | "The Sky®" Level 1 | ||
| Power Supply : | Car Battery Adapter | ||
| Highest Useful Magnification: | 354 x | ||
| Limiting Stellar Magnitude: | 13.4 | ||
| Lowest Useful Mag : | 21 x | ||
| Resolution (Rayleigh) : | 0.93 arcsec | ||
| Resolution (Dawes) : | 0.77 arcsec | ||
| Photographic Resolution : | 227 line/mm | ||
| Light Gathering Power : | 459 x | ||
| Angular FOV: | 0.83° | ||
| Linear FOV (@1000 yds) : | 44 ft (13.41 m) | ||
| Optical Coatings : | Multi-Coated | ||
| Computer Hand Control : | Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons | ||
| Slew Speeds : | 3°/sec | ||
| Tracking Rates : | Sidereal, Solar and Lunar | ||
| Tracking Modes : | EQ North and EQ South | ||
| Alignment Procedures : | AutoAlign, 2-Star Alignment, Quick Align | ||
| Database : | 40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects | ||
Price |
$3,035.00 |