Trying out the side by side guide-scope. Got the 450 going with more dither. Less noise. Or maybe it was because I changed the Picture Style setting from standard to neutral in the camera menu.
Although I thought that RAW wouldn't be affected, it does seem to have lowered the noise. Oh, and no dark flat frames. That makes for less noise too. Or easier to process at least.
globular cluster m13 in hercules 450d on nt150s 30x150s @ ISO400
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