Home
AstroPhotos
Astro Help
My Bad
Equipment
Links
Astro-Imaging
Books
Clubs
Dictionaries
Equipment Related
Forums
Links to more Links
Multimedia
New to Astronomy
Other Sites
MacAstronomer
Mac Astronomy Yahoo Group
News
Software
"Planetarium Projector"
Back to Links
Equipment Related
Calculations and Calculators
The ATM site FOV calculations
Ken's Telescope Calculator Calculations for telecope & eyepieces
TeleVue Eyepiece Calculator
Observers.org Equipment Formulas
Keith Burnett Astronomical Calculations
Equipment Specific
Ted Kurkowski's The Schmidt-Cassegrain Telescope Web Site
Defining Apochromatism by Thomas Back
Weasner's Mighty ETX Site
Cleaning Optics
TeleVue
Cleaning Optics by Bob Hess
Company Seven
Telescopes-Astronomy.com.au Cleaning Optics-mirrors lenses
SCTscopes Cleaning Your Optics
Polar Alignment
StarGazing Polar Alignment for German Equatorial Mounts, GEMs
Astrocruise LX200 Polar Alignment Procedure Iterative method
Astrocruise LX200 Polar Alignment Procedure Drift Method
Polar Alignment arnholm.org
Collimating Your Scope
High Resolution CCD Imaging Collimation
MIRA Daylight Collimation of a SCT or Maksutov-Cassegrain