In article <3ac48209@news.povray.org>, Bob H. says...
> These auroras are great to see, whether real or not.
> I'm chiming in a bit late but I tried to create one using just media with
> multiple density maps inside a box, not Gail's isosurface way.
> I have only seen one in my whole life (long time)
long?? 52 = long???

> but it was everything from
> a large diffuse red glow overhead to start with then changing to curtains
> and finally rays.  Something everyone should be witness to at least once,
> like me.
> Attached is my trial and error and giving up on it now. Might make a nice
> nebulosity anyhow, but there's already an include for that.
> 

ha, ha,
-- 
Regards,  Sander

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