Thanks Chris; I was pleased with 253 as it was quite low in the sky, a last
minute grab. 2070 mystified me as I didn't deliberately subdue the red, I just couldn't get any sign of red at all. Even if I saturated the image so
that it looked like a garish cartoon there was only a hint of red. Playing
carefully with the RGB sliders only produced a faint red cast to the whole image. I only posted the pic cos I was surprised at how well it
handled high magnification; it is still quite good at 400x.
raymo
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