Re: [APML] New image: M8

["Volker Wendel" <volker@spiegelteam.de>]

Thanks Brian,

yes, I was wondering too about what´s possible with such short exposure
times, but I think the dark skies there helped a lot!

Volker
www.spiegelteam.de


> Hi Volker,
>
> You did a good job on the blue halos to create a striking image of that
region.  I am amazed at the depth
> and contrast for relatively short exposure time.
>
> Thanks for sharing these great images from Namibia with us.
>
> Best regards, Brian
>
>
>
>
>
> On 26 Oct 02, at 10:44, Volker Wendel wrote:
>
> > Hi friends,
> >
> > I know summer is nearly over and some of you are tired taking a look at
M8
> > images, but I want to add one of those evergreens to our Spiegelteam
> > homepage <g>.
> >
> > The image was taken with a 4"-Pentax SDUF I  in our first night in
Namibia
> > and we were badly surprised about the big blue halos we got with that
> > instrument even if the focus is perfectly adjusted.
> >
> > Because of this problem we selected the brightest stars with the magic
tool
> > in Photoshop, wided the selection by 5 pixels and used the minimum
filter to
> > shrink the stars a bit. A soft unsharp mask was added to get the
brilliance
> > of the stars back. This way helped a lot - it is still no perfect but
much
> > better than without.
> >
> > Take a look at it: http://www.spiegelteam.de/namibia.htm
> >
> > Volker
> >
> > Volker Wendel
> > www.spiegelteam.de
> > volker@spiegelteam.de
> >
> >
> > --  APML Archives at <http://astro.umsystem.edu/apml/>  ---
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>
>
>
>
> Brian Lula
> Polytec PI, Inc.
> (508) 832-3456


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