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Re: [APML] Black Negs a new developement
Ok, but It's still pretty useless to shoot TP in LP.
Brian, can you reiterate everything about the negs all in one post? you're
giving us drips of info, and it's not very useful so spread out. But maybe try
one more night with the Ha filter and hypered tp.
Sean Walker
Jim Janusz wrote:
> Hi Sean,
>
> I don't agree, as the film is black to the edges. I don't think there is
> anything that can do this during an exposure except a light leak of some
> sort. If it were just over exposed it would only be in the frame of the
> exposure.
>
> Jim
>
> ----- Original Message -----
> From: "Sean Walker" <vze2c3z8@verizon.net>
> To: <astro-photo@seds.org>
> Sent: Tuesday, December 11, 2001 3:21 PM
> Subject: Re: [APML] Black Negs a new developement
>
> > Thats your problemif you did long exposures. Hypered TP loves LP- it soaks
> it
> > up.
> >
> > Sean Walker
> >
> > Brian Sledz wrote:
> >
> > > Light Pollution??? oh yeah. 30 miles west of Chicago. Best nights mag
> 4.5
> > > overhead, to the east mag 2, west mag 4.2ish. But I have new insights.
> I
> > > took e200 with the Lumicon h alpha filter last night. I went 40 30 and
> 20
> > > minutes. I got a nice California nebula at f4 in only 20 minutes.
> > > Brian
> > > ----- Original Message -----
> > > From: "Sean Walker" <vze2c3z8@mail.verizon.net>
> > > To: <astro-photo@seds.org>
> > > Sent: Tuesday, December 11, 2001 2:58 PM
> > > Subject: Re: [APML] Black Negs a new developement
> > >
> > > > Arre you shooting this hypered techpan in light pollution?
> > > >
> > > > Sean Walker
> > > >
> > > > > From: "Brian Sledz" <brianhome@email.msn.com>
> > > > > Reply-To: astro-photo@seds.org
> > > > > Date: Tue, 11 Dec 2001 11:57:39 -0600
> > > > > To: <astro-photo@seds.org>
> > > > > Subject: Re: [APML] Black Negs a new developement
> > > > >
> > > > > Hi Jerry,
> > > > > No but in this case it was 35mm, last week's black negs were 120
> without
> > > > > sprockets. ;-]
> > > > > Brian
> > > > > ----- Original Message -----
> > > > > From: "Jerry Lodriguss" <jml@astropix.com>
> > > > > To: <astro-photo@seds.org>
> > > > > Sent: Monday, December 10, 2001 2:30 PM
> > > > > Subject: Re: [APML] Black Negs a new developement
> > > > >
> > > > >
> > > > >>
> > > > >>>
> > > > >>> Yep the negs are black out to the sprockets. But I used a
> changing
> > > bag
> > > > > plus
> > > > >>> a dark room this time. Light leak???? hmmm. I just got back some
> > > e200 I
> > > > >>> shot with same set up and they are ok. And I had the viewfinder
> off
> > > the
> > > > >>> camera. So I doubt the 6x7 Pentax is leaking.
> > > > >>
> > > > >>
> > > > >> 6x7 film doesn't have sprocket holes does it?
> > > > >>
> > > > >>
> > > > >> Jerry
> > > > >>
> > > > >> Astrophotography, Tips and Techniques
> > > > >> for Digital Enhancement in Photoshop:
> > > > >> http://www.astropix.com
> > > > >>
> > > > >> -- APML Archives at <http://astro.umsystem.edu/apml/> ---
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> > > > >>
> > > > >
> > > > >
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> >
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