The Star Analyser SA-100, SA-200
Introduction video
Capturing the Spectra of Stars with a Star Analyser grating
Calculator: Sensor distance is green from 24mm to 54mm for ES127 with ASI071Pro setup
With ASI120MM Mini monochrome camera sensor distance needed is 25mm to 55mm
https://rspec-astronomy.groups.io/g/main/topic/90476610
Using RSpec software
Sample projects