Group 70

Group 70

Infobox Telescope
bgcolour =
name = Group 70


caption = Group 70 Large amateur Telescope
organization = Group 70
location = TBD Northern California
coords =
altitude =
weather =
wavelength = Optical & IR
built = TBD
website = http://group70.org
style = Nasmyth Cassegrain
diameter = 1.8 meters, 5.8 feet, 70 inches
angular_resolution =
area = 2.5 m2, convert|26.7|ft|m|abbr=on2, 3848 in2
focal_length = 5.05 meters, 16.5 feet, 199 inches (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 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.

As of mid-2008, the project has moved from San Jose, CA to Fremont CA and work has moved from the mirror to the steel and other optics.

Use of a comparable telescope in California is very expensive: a rental must be scheduled well in advance and the weather may not cooperate. Large free telescopes are as important today as free encyclopedia and dictionaries on the internet.

ee also

* The Liverpool Telescope, Faulkes Telescope North and the Faulkes Telescope South are 2 m telescopes available for use over the internet by school children and other amateur astronomy groups
* Optical telescope
* Amateur telescope making
* List of optical telescopes

External links

* http://group70.org/
* [http://www.mercurynews.com/mld/mercurynews/business/technology/9542621.htm?1c Article from August 31, 2004] in the San Jose Mercury News
* [http://www.astro.ufl.edu/~oliver/ast3722/lectures/Scope%20Optics/scopeoptics.htm Introduction] to telescope optics including Nasmyth design.


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