Skywatcher Stargate 20 GOTO Dobsonian Telescope
Shipping Calculator
When it comes to telescopes, bigger IS better. As a rule, any small increase in aperture diameter can mean a significant increase in image size, light collection and magnification. With a massive 20" aperture the Skywatcher 20" Go-To Computerized Dobsonian Telescope is one of the largest telescopes on the consumer market.
Features
- Massive 20" aperture
- 20m (Low) and 10mm (High) magnification eyepieces included
- 9x50 Finderscope
- Go-To Computerised Mount with SynScan Database of 42,900 celestial objects
- Wi-Fi Enabled for the SynScan app control
- 2" Eyepiece Compatible
- Collapsible Tube
- 2 Year Australian Warranty
Featuring a collapsible truss tube on an altazimuth dobsonian base, the Skywatcher 20" Go-To Computerized Dobsonian Telescope is not only easy to use but excellent value. Coupled with a computerised Go-To mount with a built-in 42,900 object database for fast location and easy tracking, makes for a great User experience. Excellent for those who need some help finding their way around the night sky.
Nebulae, Galaxies, Planets and Star Clusters will be highly viewable. The surface detail of planets and the individual rings of Saturn will be easily observed.
Full Specifications
Optical Tube Assembly (OTA) |
Optical Design | Newtonian Reflector |
Aperture | 508mm (20") |
Focal Length | 2000mm |
Focal Ratio | f/3.9 |
Secondary Mirror Diameter | 136.0mm |
Secondary Mirror Obstruction | 26.8% |
Resolving Power | 0.24" |
Stellar Limit Magnitude | 16.2 |
Highest Practical Magnification | 1016x |
Light gathering power (compared to naked eye) | 5267x |
Focuser | 2" Crayford with 1.25" Adapter |
Included Eyepiece | 10mm (200x), 28mm LET (71x Magnification) |
Finderscope | 9x50 |
Telescoep Tube Weight | 45.4kg |
Telescope Mount Weight | 29.8kg |
Telescope Weight | 75.2kg |
Computerised Mount |
Mount Type | GOTO Dobsonian Mount |
WiFi Capable | Yes - Built-in |
Slew Speeds | 1x, 2x, 8x, 16x, 32x, 200x, 400x, 600x, 800x, 1000x |
Tracking Rates | Sidereal, Lunar, Solar |
Tracking Modes | AZ |
Power Requirements | 10 to 15V 1A, 2.1mm Plug (Center positive) |
Motor Drive | DC Servo |
Alignment Procedures | Brightest-Star Alignment, Two-Star Alignment |
Computerised Hand Controller | Yes |
Database | 42,900+ objects |
Warranty | 5 Years |
Recommended Accessories
About Sky-Watcher
Contemporary telescope-making has advanced the simple optical designs early scopes to revolutionary, state of the art. The Sky-Watcher company believes Telescopes of quality make should no longer be expensive, but accessible to everyone. Sky-Watcher philosophy has always been to bring the vast wonders of the skies within reasonable reach of anyone with enough curiosity and courage to look up and imagine. Sky-Watcher scopes come in a large range of observational applications - from 10"Dobsonians to spotting scopes for land use.
Product Code: SKW-SWDOB500GT
Optical Design | Newtonian Reflector |
---|---|
Aperture | 508mm |
Focal Length | 2050mm |
Focal Ratio | f/4.1 |
Highest Magnification | 1000x |
Mount Type | Dobsonian mount |
Eyepiece 2 | Super 10mm |
Finderscope Make | 9x50mm |
Electronic Hand Control | Yes |
Motor Drive | Yes |
Warranty Information | 5 Years |