Celestron SKU: 22051 | Helix SKU: CT22051
AUTOMATICALLY LOCATES THE WONDERS OF THE UNIVERSE WITH ITS MOTORIZED SYSTEM & ON BOARD COMPUTER!
All glass, fully coated optics reveal the depths of our solar system and the wonders of the Universe. Fully adjustable tripod features a convenient accessory tray. Easy to use computerized hand control allows user to locate objects at the touch of a button.
Optical Tube Info: | |
---|---|
Optical Design | Refractor |
Aperture (mm) | 80 mm (3.15 in) |
Focal Length | 900 mm (35 in) |
Focal Ratio | 11 |
Focal Length of Eyepiece 1 (mm) | 25 mm (0.98 in) |
Magnification of Eyepiece 1 | 36 x |
Focal Length of Eyepiece 2 (mm) | 9 mm (0.35 in) |
Magnification of Eyepiece 2 | 100 x |
Finderscope | Built-on StarPointer |
Star Diagonal | 1.25 Erect Image |
Mount Info: | |
Mount Type | Motorized Altazimuth |
Accessory Tray | No Tool, Quick release |
Tripod | Aluminum |
Highest Useful Magnification | 189 x |
Lowest Useful Magnification | 11 x |
Limiting Stellar Magnitude | 12 |
Resolution (Rayleigh) | 1.74 arc seconds |
Resolution (Dawes) | 1.45 arc seconds |
Light Gathering Power (Compared to human eye) | 131 x |
Apparent Field of View | 1.6 ° |
Linear Field of View (@1000 yds) | 84 ft (26 m) |
Optical Coatings | Fully-Coated |
Slew Speeds | Nine slew speeds |
Tracking Rates | Sidereal, Solar and Lunar |
Tracking Modes | Alt-Az, EQ North and EQ South |
Alignment Procedures | SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align |
Computer Hand Control | Fully Computerized / Flash Upgradeable |
Database | 4,000 Object Database |
Warranty | 2-year Telescope Warranty |