I know you weren't having a dig! I didn't take it that way at all. It's just a quirk of Nikon's by the sound. And by what you and Octane have said it sounds like the sensor is causing it. Would be intersting to find out why.
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Originally Posted by Omaroo
It certainly wasn't meant as a dig Wayne, just an on-going question of mine. Nearly all astrophotographs I've seen come out of Nikon DSLR's suffer the same purple flare problem. I was hoping that it may have been addressed by now with the D800/E, but it looks like it hasn't. Yes, you can tone down the purple, but that means that you also remove valid information from objects just as M8 and M42 which have plenty of red/blue hues unless you zone process.
The Canons just don't produce anything other than white stars - or if coloured, the appropriate colour. The flare just doesn't happen as far as I've seen. It'd be interesting to head over to CN as see if it's being discussed there.
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