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astronomical optics, part 4: optical aberrations
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What exactly is a chromatic aberration in a telescope eyepiece? - Quora
A simple guide to buying your first telescope - Our Planet
Astrophotography: Removing Purple Star Halos - Sky & Telescope - Sky & Telescope
Optical aberrations: how to fix errors in your telescope - BBC Sky at Night Magazine
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Stellarvue XCLR1
Fringe color filter – Achromatic refractor | Computer Physics Lab
What Is Chromatic Aberration And How to Fix It!
Violet in Andromeda Core = Chromatic Aberration? - Beginning Deep Sky Imaging - Cloudy Nights
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Violet in Andromeda Core = Chromatic Aberration? - Beginning Deep Sky Imaging - Cloudy Nights
insula astra
blue halos around stars - Beginning Deep Sky Imaging - Cloudy Nights
What do you see when your telescope has chromatic aberrations? - Quora
6 Cost-Effective Telescopes for Astrophotography – TechAcute
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