RE: [APML] New result of my Veil Nebula image

["Chris Schur" <cschur@cybertrails.com>]

Volker, the extra contast boost in the minimum processed image makes the
comparison difficult. But I still say you dont get something for nothing. I
did more tests on neb images, and yes there is some erosion of the edges of
nebula taking place - but its not devestating in most shots.  In your case
the trade off was well worth it.

Chris

-----Original Message-----
From: owner-astro-photo@seds.org [mailto:owner-astro-photo@seds.org]On
Behalf Of Volker Wendel
Sent: Sunday, May 12, 2002 11:28 PM
To: astro-photo@seds.org
Subject: Re: [APML] New result of my Veil Nebula image


Chris, Iīve uploaded a part of that image in itīs original size (@3048dpit),
take a look at:
http://www.spiegelteam.de/Galaktische%20Nebel/DunkeltechnikAusschnitt.jpg

I can not see any cut of the very thin tendrils, but now itīs easily
visible, why the impression of dominant stars is gone. BTW: a print in 30x40
centimetres still looks great, the stars donīt look washed out as one may
think when taking a look at the comparison.

Volker
www.spiegelteam.de



> Volker, there is no doubt that the amount of very faint patches of
> nebulosity is rendered much more visible.  But does not the minimum filter
> also cut the width of the very thin tendrils as well?  I do like the new
> image, but for some of my own schmidt shots, some of the fine dark nebula
> detail is always reduced by the minimum method.  Yours however is a bright
> nebula, and does not seem to be nearly as affected.  Excellent work!
>
> Chris Schur
>
> -----Original Message-----
> From: owner-astro-photo@seds.org [mailto:owner-astro-photo@seds.org]On
> Behalf Of Volker Wendel
> Sent: Sunday, May 12, 2002 11:53 AM
> To: astro-photo@seds.org
> Subject: [APML] New result of my Veil Nebula image
>
>
> Hi all,
>
> Iīve uploaded a new page with a comparison of my old tricolor Veil Nebula
> image and the new result, using the minimum filter in Photoshop 6.0. Iīve
> added some informations about the process and some informations about how
> the image is made (english and german).
>
> My wish was to suppress the dominant foreground stars with out a loss of
the
> fainter nebula parts.
>
> Thanks to Grant Blanchard for taking the time to do the java script being
> used here! Hope that it works for everyone...
>
> Take a look at (800 kB!!): http://www.spiegelteam.de/Dunkeltechnik.html
>
> Volker
>
> Volker Wendel
> www.spiegelteam.de
> volker@spiegelteam.de
>
>
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