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A magnificent image Tony! Right up there
with your M51.
Aside from just exposing long enough before the
blooming point (I assume), did you do anything special to the bright star to
keep it looking so good?
BTW--- I tried your RGB vs. Grayscale histogram
evaluation on 4 different daylight shots. One of them definitely did have a
smaller grayscale histogram than it's RGB version. However, with
the other 3 shots, there was virtually no
difference.
----- Original Message -----
Sent: Monday, May 06, 2002 12:04 PM
Subject: Re: [APML] M63 B&W
Hello,
I had a request for this
image from my friends at SBIG... I think they were trying to do me in... in
the frame of the galaxy is this bright star... I call it "the star from hell"
because even with short exposures it blooms like mad... something you never
have to worry about with film or antiblooming chips...
Anyway, I think I got it under
control... there is a lot showing up in this image that usually falls off with
film... there is the dusty central core but the galaxy goes out quite a ways
from there. In the bottom right corner is some mysterious "thing"... and
there are the usual faint galaxies all over the place. I'll try to get the RGB
data over the next few days and try out the "histogram match" theory.
Guess that's about
it...
Have a good
one,
Tony
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