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Hi Bill,
I’m glad you had a successful night with the weather cooperating! That is a nice spectrum you have captured.
I’m not sure if there is any reason why you could not apply this to meteor spectroscopy, but when I am correcting for the instrument and atmospheric response I use an A type star. Ideally one with an easily available professionally corrected spectrum. The temperature of the star is not the important thing, it does not need to match the target. The instrument response will be calculated from my spectrum compared to the professional spectrum across all wavelengths. What matters is that A stars have very simple spectra so it is easy to smooth the response as there will just be a few blips for the hydrogen lines.
Best wishes,
Andy