Re: [APML] Exposure time with filter

["Jim Ives" <flyboy9990@earthlink.net>]

Yes me too! Loke suggested I start with exposure ratios of 3.5:3.5:4 withe
the W92,W58, and W47.
----- Original Message -----
From: "Robert Reeves" <reeves10@swbell.net>
To: <astro-photo@seds.org>
Sent: Thursday, November 28, 2002 3:03 PM
Subject: Re: [APML] Exposure time with filter


> > Hi Robert yes I agree. I've been using a Hutech LPS filter for 1hr 20min
> > shots with TP @ f3.3.  I haven't tried it with color film yet but hope
to
> do
> > so soon.  I have a B33 shot that needs finishing.
>
> The #92 would allow even longer shots with TP.
>
> >     I would like to try the tri-color imaging with this scope and it
looks
> > like the Wratten filters are my only option to get around a $500 filter
> set!
> > Jim
>
> There are number of folks on APML, like Loke for instance, who do
wonderful
> tricolor with Wrattens.  I think there was some debate as to what the
proper
> exposure ratio between the colors should be, but whichever different folks
> used, the results impressed me.
>
> Robert Reeves                      reeves10@swbell.net
> 520 Rittiman Rd.                   www.robertreeves.com
> San Antonio, Texas 78209    210-828-9036
> USA                                     29.484  98.440  200 meters
>
>
>
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