Re: [APML] Undeveloped(?) spots on film?

[Roland Roberts <roland@astrofoto.org>]

>>>>> "Jerry" == Jerry Lodriguss <jml@astropix.com> writes:

    Jerry> Sometimes dust or hairs will fall on the film during the
    Jerry> actual exposure, and it can look like something in the
    Jerry> emulsion, when actually it was from the speck masking the
    Jerry> emulsion from the light from the sky.

Okay, that makes sense.  I'm going to have to go back and see if this
has happened before.  Maybe I was just careless loading the film.  I
usually preload inside, but this time I switched film and lenses
outdoors.

    Jerry> Or, it could have been bad processing. Was the Provia 400F
    Jerry> push processed?

Yes, pushed one stop.

    Jerry> Put up a small section at high res on the web so we can see
    Jerry> it.

I've put up a small section at

    http://www.astrofoto.org/people/roland/cygnus-p400f-defect.jpg

roland
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