|
||||
![]()
Mirror Edge Support Calculator for Dobsonian telescopes Mirror Cooling Calculator for telescope mirrors Limiting Magnitude Calculator for telescopes Spring Counterweights on Dobsonian telescopes NEW October 2020 635 mm - 25 inch f/5 Dobsonian Telescope 406 mm - 16 inch f/5 Computer Controlled Alt-azimuth Telescope Dr. Hänssgen's 1070 mm - 42 inch f/4.5 Dobsonian Telescope | ||||
|
|
||||
Houdini Chess Engine | ||||
|