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Hey Alex,
First off, nice work mate! Your mention of the AO unit making a big difference in FWHM almost makes me want to fork out some money.... must resist. Actually, not that hard to resist right now because they're all well outside the budget.
I had a quick look at the specs on your cam and it looks like it'll produce a reasonable amount of noise, but this is coming from someone who's only ever used low noise Sony sensors so my perspective might be skewed.
Given you've got 6hrs worth of data with an F5 newt and 7.4 micron pixels, I'd expect less noise in the resulting image.
What length exposures are you using? You need to ensure you get your target sufficiently separated from the read noise.
Would you consider making an integrated but otherwise unprocessed image available for me to have a play with?
Cheers,
Lee
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