CH Cyg (profile shape?)

[Gasman]

HI

Took this of CH Cyg the other evening and no too sure I`ve got the curve right as other plots I`ve seen show the intensity rise towards the red! No instument response done!.

Raw image

ISIS/Gnuplot

and here`s a pre Gnuplot with a few lines id`d

cheers

Steve

[gingergeek]

Interesting ! something I would like to get into

[Merlin66]

You seem to have all you need in the way of scopes/ cameras....just need to add a Star Analyser to get started in spectroscopy..

[Mr Spock]

CH Cyg becomes bluer with less intensity at the red end when it's brightening. Is this what you mean?