[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]

Re: [APML] Orion's Sword on 400F



It picks up the reflection nebula pretty well but I agree that we're still
looking, unless hypering this film helps it. Still a nice shot.
Bobby Middleton


Prophesy? This ain't Nostrodamus!
http://www.koyote.com/users/bobm/Prophesy.htm

From: Matt BenDaniel <matt@starmatt.com>
.html
>
> Here's a shot of Orion's Sword on Provia 400F. I think this shot shows the
following:
> * Some lack of red sensitivity (but the sky's poor transparency might also
have been a significant factor).
> * Because it's a slide film, the stars burn out easily.
> * The graininess is pretty good for a 400 speed film, but not quite as
fine as E200's.
>
> These are consistent with John's Boudreau's findings. Based on these
findings, I am still looking for an excellent 120 astro film.
>
> BTW there are anti-vignetting artifacts in this image, a consequence of
PS's lack of 16-bit layers.
>
> Comments welcome.
> --
> Matt BenDaniel
> http://starmatt.com
>
>
> --  APML Archives at <http://astro.umsystem.edu/apml/>  ---
>              Unsubscribe at <majordomo@seds.org>


--  APML Archives at <http://astro.umsystem.edu/apml/>  ---
             Unsubscribe at <majordomo@seds.org>