> One strategy is to write an equation that describes the wiggles Don't telescopes have some lens coatings that could dampen certain wavelengths? Or some form

> One strategy is to write an equation that describes the wiggles Don't telescopes have some lens coatings that could dampen certain wavelengths? Or some form of giant sun glasses? I don't understand how you would approach removing noise basically. A 12th order polynomical can fit many, many curves with really good detail already. But what signal were they trying to interpolate?