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Telescopes - Coggle Diagram
Telescopes
Aberrations
Spherical
Coma
Astigmatism
Distortion
Field curvature
Vignetting
Parameters
Plate Scale: 1/F
Limiting Magnitude
Focal Ratio: F/D
Small: fast
large: slow
Field of View
Angular resolution
Point Spread Function (PSF)
Rayleigh Criterion
Diffraction spikes
Seeing
Focus
Prime focus
Newtonian
Cassegrain
Schmidt-Cassegrain
Mounts
Equatorial
Alt-az
SNR
Signal ∝ t
Noise ∝ t^(1/2)