[CraigS]

Originally Posted by renormalised

This is what they're using Craig....StarAnalyser and VSpec. Those and a simple CCD camera

Here's some more, if you're interested....Spectroscopy, CCD's and Astronomy, Shelyak Instruments

StarAnalyser £91 ... VSpec (free software) !!!

I am amazed !!

Dirt Cheap for the 'behind-the-scenes' perspective it yields (compared with visual astrophotography) !!

Very cool !