Our Star Analyser 100 (SA-100) grating is designed specifically for amateur astronomical spectroscopy. It can be mounted on your telescope just like any other 1.25″ filter. It’s is easy to use and works with most cameras. Capturing the spectrum of a star is easy! Use our grating, a DSLR or small telescope, and our award-winning software.   … Continue reading The Star Analyser SA-100, SA-200