Spectra in this compilation are obtained with a do-it-yourself Czerny-Turner spectrograph, attached to a Celestron C8 Schmidt-Cassegrain telescope. Collimator mirror and camera mirror are also made by the author.
Corpus: Birch multiplex plywood, adapters for Cameras and Telescope: aluminium
Grating: Thorlabs 300 grooves/mm, blazed at 500 nm
Grating angle can be adjusted with a micrometer screw, driven by a stepper motor