Re: [APML] H-Alpha aurora photography?

[georgea@cam.org]

Well if we have another one I'll set up the second camera and try shooting a 
short roll of hypered TP through the Lumicon filter.

George

Clear skies and good health

Quoting Stuart Heggie <stuart.j.heggie@sympatico.ca>:

> George, I always used Supra400 for aurora until this show. I tried Supra800
> and it was good but
> more green. The reds captured by Supra400 were excellent.
> Stuart
> ----- Original Message -----
> From: "George Anderson" <georgea@cam.org>
> To: "APML" <astro-photo@seds.org>
> Sent: Tuesday, November 09, 2004 11:59 PM
> Subject: [APML] H-Alpha aurora photography?
> 
> 
> > Has anyone tried shooing an aurora with TP with an H-Alpha filter?
> > I am just thinking that there may be some reds in there that are not
> > being caught and that the TP could be added to the red channel from a
> > colour photograph.
> > Have the images shot with the old Supra 400 caught more reds than say
> > the Superia 800 film?
> > Would the 20-50 stars that come through on an aurora shot be enough for
> > Registar to lock onto?
> > Just a thought after spending 20 minutes outside...
> >
> > George Anderson
> > Montreal Canada
> >
> > Clear skies and good health
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> > Astro-Photo@seds.org
> > http://seds.org/mailman/listinfo/astro-photo
> 
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