Re: [APML] Black Negs a new developement

[Jerry Lodriguss <jml@astropix.com>]

At 11:01 PM 12/11/2001 -0500, you wrote:
>I'd lean on a combo of things- possible bad fix, plus the light pollution. At
>f3.9, you really can't go that long in mag 4 skies, but I really haven't 
>used an
>HA filter, which I hear blocks most all LP (and everything but HA). Maybe
>bracket some quick shots- 5-30 minutes. if they are still black, you can
>eliminate LP from the equasion.
>
>PS- that story was real funny Jerry (your also reading this?)


Hi Sean,

Yes, I'm reading this... <G>

I don't see how light pollution is fogging the edges of the film by the 
sprocket holes, especially with an h-alpha filter.

If it's bad fix, how come the daylight shots came out?

Mysterious.

Jerry

Astrophotography, Tips and Techniques
for Digital Enhancement in Photoshop:
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