Quote:
Originally Posted by Slawomir
From what I understand, QE of a CCD starts to decrease at lower temperatures - not sure about specific numerical values though. There must be a point where further lowering the temperature of a CCD becomes impractical and it starts causing more potential issues (condensation, increased power consumption, longevity etc) that outweigh benefits when astroimaging.
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Hi Suavi,
Richard Crisp wrote a couple of articles showing the benefits of very deep cooling. Can't find them on his web site any more but I have backup copies
The only problem is that we can't afford cameras that can get to -75C in Brisbane summer temps.
Cheers,
Rick.