Re: ATM Apodizing Mask

["Bill Kelley" <flex@commspeed.net>]

Peter,

Try viewing the planets between the diffraction spikes.

A modern technique uses a square mirror to dump all
of the energy into diffraction spikes and provide high
resolution between the spikes.

Bill


>
> Removing the mast created the standard diffraction spikes and seemed to
> reduce the contrast on the plant. What I liked about the image with the
mask
> is that it appeared to have better contrast and in the area immediately
> surrounding the planet there were no spikes. They seem to have been offset
> leaving a nicely resolved plant.
>
> I tried the mask on the moon and it was terrible but on planets I felt it
> was great. I did not get a chance to try any other objects with it though.
>
> Peter
>
> ----- Original Message -----
> From: Vladimir Galogaza <vladimir.galogaza@zg.tel.hr>
> To: ATM shore <atm@shore.net>
> Sent: Thursday, October 09, 2003 12:53 PM
> Subject: Re: ATM Apodizing Mask
>
>
> >
> > Peter,
> >
> > >Last night I had the chance to view Mars through a 5" Newt with an
> > apodizing mask
> >
> > Did you have opportunity to remove the mask and have a second look?
> >
> > If yes what was the result?
> >
> > Vladimir.
> >
> >
> >
>
>
>