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Re: [APML] Questions about HC-110
Hey Chuck, sorry for the lower case.............
Jim
----- Original Message -----
From: "Jim Janusz" <jjanusz@dc.rr.com>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Tuesday, February 25, 2003 6:58 PM
Subject: Re: [APML] Questions about HC-110
> I've been using HC-110 for some time now and I agree with chuck on the
> development time and mixing proportions. I really like the 110 for TP
that
> I scan, it just seems to give a larger tonal range and finer grain, if
> that's possible.
>
> Jim
>
> ----- Original Message -----
> From: "Chuck Vaughn" <aa6g@aa6g.org>
> To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
> Sent: Tuesday, February 25, 2003 3:38 PM
> Subject: Re: [APML] Questions about HC-110
>
>
> > Brian,
> >
> > From memory (because my stuff is packed away):
> >
> > 1 oz of HC-110 syrup plus 31 oz water = Dil. B
> >
> > BTW, I only develop for 10 minutes because it gets too grainy for my
> > tastes
> > but Brad is right, you can get more speed developing for 16 minutes.
> >
> > Chuck <aa6g@aa6g.org>
> >
> > -----------------------
> >
> > > Hi!
> > >
> > > By reccomendation of a past post, I bought some HC-110 for developing
> > > my TP.
> > > I read that it has a wider dynamic range then D-19, but it akes about
> > > 16
> > > mins to develope @ 21degrees C using dil. B according to this webpage:
> > > http://voltaire.csun.edu/hyper.html
> > >
> > > I bought the syrup,(which smells odorless by the way)....I dont know
> > > if it
> > > comes in dry form or not.
> > > It says Dilution A makes two US gallons...so what is B? How should I
> > > measure
> > > this stuff?
> > >
> > > Thanks,
> > > Brian
> > >
> > > www.astrobri.com
> >
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> > http://seds.org/mailman/listinfo/astro-photo
> >
>
>
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