Quote:
Originally Posted by Paul Haese
....I could not move the etalon far enough to make that prominence look really bright.....
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Thanks Guys.
I actually didn't notice the prom until I'd virtually finnished my imaging session...and was mucking about with the doppler shifter when I first noticed it....
I'm using double stacked 90mm system, hence could get the required brightness while on band. The twin etalons also give even field illumination...nice when things work as advertised!