Diy spectroscope

[p1taylor]

Am I right is*NEON 1SEC--2 a Order 0 image do I go a little left or right to get to Order 1,**NEON 1SEC--1 is slit well open.

peter

[Merlin66]

Peter,
You've posted this on various forums....
You have an answer on the astronomical spectroscopy group.

[p1taylor]

Thanks very much Ken, I really appreciate all your help and quick replies.

peter