Group 70
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| Organization | Group 70 |
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| Location | TBD Northern California |
| Wavelength regime | Optical & IR |
| Completion date | TBD |
| Webpage | http://group70.org |
| Physical Characteristics | |
| Telescope Style | Nasmyth Cassegrain |
| Diameter | 1.8 meters, 5.8 feet, 70 inches |
| Collecting Area | 2.5 m2, 26.7 ft2, 3848 in2 |
| Focal Length | 5.05 meters, 16.5 feet, 199 inches |
| Focal Ratio | f2.8 |
| Mounting | Alt Azimuth |
| Dome | TBD |
Group 70 is a non-profit educational organization comprised of people from many countries all around the world and many walks of life seeking to make the beauty of astronomy available to the peoples of the world. They began in 1988 with the goal of building a large amateur telescope, a 70 inch (1.8 m) astronomical instrument. Upon completion it would be the largest telescope in the world built by and for amateur astronomers. Beyond building a large aperture telescope, they offer related instrumentation and services to those in amateur, professional and educational fields of astronomy.
[edit] See also
- The Liverpool Telescope, Faulkes Telescope North and the Faulkes Telescope South are 2m telescopes available for use over the internet by school children and other amateur astronomy groups
- Optical telescope
- Amateur telescope making
- List of optical telescopes
- Wikipedia Project: Telescopes
[edit] External links
- http://group70.org/
- Article from August 31, 2004 in the San Jose Mercury News
- Introduction to telescope optics including Nasmyth design.
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