Cruxis Telescope Site Map
The 1100 mm - 43 inch f/3.6 Cruxis Telescope
Mirror Edge Support Calculator for Dobsonian telescopes
Mirror Cooling Calculator for telescope mirrors
Limiting Magnitude Calculator for telescopes

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 Site Map
Houdini Chess Engine - NEW version 4