Yes Stephane use a Newton telescope but with an eShel spectrograph, just the injection unit is present on the telescope so that the weight is not very important and mechanical flexion doesn't affect the spectrum (the spectrograph is on a table and very stable)Paolo Cazzato wrote: I Read Stephane Charbonnel used a newton; does someone tell me more?
Clear nights
Regards
Take a look of his set up
