Re: [APML] Stacking Software

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

Hi Joe,
    I use only as many points as need be. Some need more, some less. Preview
with either SUBTRACT or ABSOLUTE DIFFERENCE as you add them and see how well
it's lining up the images...
Jim Ives
----- Original Message -----
From: "Joseph/Leslie Schaefer" <schaefer@htva.net>
To: <astro-photo@seds.org>
Sent: Thursday, September 26, 2002 3:35 PM
Subject: Re: [APML] Stacking Software


> Picture Window Pro stacking.
> Why refine on 4 or 5 points only? I run refine on all points usually 1-z
> using "Multi-point", it does take some time with my 450Mhz PC but I
thought
> the purpose of refining was to correctly calculate the centroid of each
> star. Do I only need to run refine on 5 points?
> Joe Schaefer
> www.starfillnights.com
>
> ----- Original Message -----
> From: Herm <hermperez@worldnet.att.net>
> To: <astro-photo@seds.org>
> Sent: Thursday, September 26, 2002 8:59 AM
> Subject: Re: [APML] Stacking Software
>
>
> > I plan to do a presentation at the WSP on using PW to stack images.. I
> will
> > challenge Registars users to a speed/quality race (g)... its a doomed
> > effort, everybody prefers Registar.
> >
> > BTW, I do use refine but only after setting 4 points, maybe 5.. I also
> zoom
> > up tight and use the number keys to jump from point to point.. a refine
> > with only 5 points takes seconds to run..
> >
> > Mosaics are also easy to do.
> >
> > astropix@att.net  wrote:
> >
> > >'m at a loss to understand why some feel that using PW for combining
> > >(ie 'stacking') images is so difficult. My admittedly limited
experience
> has
> > >been very straight forward... and with pleasing results.
> See ------------>
> >
> >
> > Herm
> > Astropics http://home.att.net/~hermperez
> >
> >
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