Calculators

telescope criteria calculator
aperture calculator based on exit pupil, eyepiece field stop and desired field of view
diagonal
diagonal baffle
friction of movement for a Dobsonian telescope
folded Newtonian
diopters

Ronchi
Strehl to RMS to PV calculator
artificial star testing distance
holographic Foucault null test, ported to web client JavaScript from Mauritz Andersson's server side PHP
sagitta
mirror slumping

visual detection
magnitude differences
SQM (Sky Quality Meter) readings and unaided-eye magnitudes
object description

air mass
refraction
precession
astronomical time calculator

telescope mounting's primary axis errors
coordinate errors (precession et al)

sky position to telescope position calculator (text)
altazimuth coordinate calculator including tracking rates (text)
equatorial mount tracking rates calculator, includes refraction (text)
Initialization simulator
altaz telescope 2 star initialization error study using pre-built data
altaz telescope constant motion tracking errors

encoder calculator
motor calculator
trajectory

gauge study

Unit Tests

lib/calcLib unitTests.htm
lib/coordLib unitTests.htm
lib/sharedLib unitTests.htm
lib/motorLib unitTests.htm
lib/encoderLib unitTests.htm
lib/trajLib unitTests.htm
lib/threeAxisLib unitTests.htm
lib/objectLib unitTests.htm
lib/holomaskLib unitTests.htm