Gail Shaw wrote:
> 
> Now using multiple sine waves with different frequencies,
> amplitudes and phase. (Thanks Christoph)
> 
> The color is also varied slightly.
> 
> Gail
> *************************************************************************
> * gsh### [at] monotixcoza                *   Step into the abyss,           *
> * http://www.rucus.ru.ac.za/~gail/   *   and let go.        Babylon 5   *
> *************************************************************************
> * The difficult we do immediately, the impossible takes a little longer *
> *************************************************************************
> 
>  [Image]

Very good!  However...

1 - The left and right edges should be less sharp and blend more into
the night.
2 - Add one more sine wave whose period is roughly the length of the
whole aurora and whose amplitude is roughly 1/4th of the length.

Or better yet, ignore me and do whatever you feel like.

-- 
Francois Labreque | The surest sign of the existence of extra-
    flabreque     | terrestrial intelligence is that they never
        @         | bothered to come down here and visit us!
  videotron.ca    |                             - Calvin

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