Re: [APML] Autumn Star Trails

["Stan Richard" <stanrichard@hotmail.com>]

Chris, thanks.  I scanned at 2700 dpi using Vuescan and saved the raw file 
as a tif *compressed* so it ended up being about 7Meg instead of the usual 
25Meg.  Then I scanned the raw file from disk at full resolution.  This is 
the first time I've tried this so I wonder if that's what caused the 
aliasing.  I'll try re-scanning it tonite and save it uncompressed and see 
what happens.  If anyone else has any ideas, I'd be much obliged.


Stan Richard
Events in the Night Sky
www.nightskyevents.com





>From: <cschur@cybertrails.com>
>Reply-To: astro-photo@seds.org
>To: <astro-photo@seds.org>
>Subject: Re: [APML] Autumn Star Trails
>Date: Thu, 24 Oct 2002 13:50:00 -0700 (MST)
>
>Stan, those are really cool images.  The jagged appearance is usually from
>scanning the neg at too low of a resolution. Try scanning at about 10 to
>20 megabyte size and see if the trails are smooth.
>
>Chris Schur
>
> > Here are a couple images I took while camping several weekends ago.  The
> >  stars and planets were so bright and beautiful I couldn't resist the
> > urge to  try some star trails shots.  I've noticed some aliasing
> > artifacts in the  trails on the images, anyone else ever have this
> > problem?  Might be time to  trash the Acer.  Comments welcome.
> >
> > http://nightskyevents.com/AutumnTrails101102.html
> >
> > http://nightskyevents.com/AutumnTrails101302.html
> >
> >
> >
> > Stan Richard
> > Events in the Night Sky
> > www.nightskyevents.com
> >
> >
> >
> >
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