Re: [APML] Aurora Colors

[Glenn Shaw <gshaw@alaska.net>]

There are two main spectral lines in the aurora borealis:  6300 Angstrom (red)
and 5260 Angstroms (green) from a forbidden oxygen transition.

glenn shaw.

The red tends to occur more with energetic aurorae.

Dale Ireland wrote:

> I read somewhere what causes each aurora color but of course I lost it. Does
> anyone here know what each color represents, which ionized gas, level of
> ionization, exact emission lines? I have never seen a white aurora, is this
> just red green and blue all together?
> Dale
>
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