Homemade Spectrometers

8 Minute ReadIntroduction This post describes some construction details for an improved version of the SGS spectrometer in what I called the MFSS or Multiple Fixed Slit Spectrograph. The design was intended to overcome several drawbacks of the original, in particular its weight and size: at over 3 kg and a length of over 40cm, this placed […]

7 Minute ReadA few years ago I built a couple of diffraction grating spectrographs. At that time I was a keen amateur astronomer with some degree of  traditional photographic, as well as digital, imaging experience. I was hoping (no doubt optimistically and probably naively with hindsight) to connect a spectrometer to my telescope to record the spectra