Quote:
Originally Posted by Merlin66
Mark/ Jeff
If you can post your .spc files for the Eta Car spectra I'd love to have a go at combining etc.
At the moment I'm scanning some old (like 1880!) spectra to see if they can be converted and used for current comparisons. A little difficult as they were taken with prisms and are "artistic engravings"....
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Done. I have been reluctant as I still have little confidence in my processing. Getting there 'though.

The more processed spectra I get from you "experts" the better I can check my processing. I have included my raw data for all to fiddle.
Quote:
Originally Posted by sheeny
OK guys, here's my etacar spectrum to play with.
C8, SA, DMK21AU.AS
Corrected for camera response and normalised.
Al.
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Al,
Nice set of spectra. Looking Good.
I have used your calibrated eta to calibrate mine from 20/2/09. The results are below. (Croped to simalar spec range). Hope you don't mind.
I'm happy that our two spec look similar as it seems I'm on the right track.