ASI585MC non-cooled vs ASI585MC Cooled ZWO ASI585MC · Clayton Ostler · ... · 26 · 899 · 7

This topic contains a poll.
Is a cooled sensor that much better than a non-cooled, "For this case assume newer sensory technologies with zero amp glow, and the user limiting exposure times to under 60s"
I am not sure
I really doubt it
Absolutely and I can prove it
I think so, but I dont really know how much difference.
DanWBR 0.00
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Clayton Ostler:
Tony Gondola:
I own both the cooled and uncooled versions and the bottom line is, in cold temps there really isn't much difference. On hot summer nights there is a huge difference with the uncooled version being almost unusable.

Good to know. When you say unusable, have you found a sweet spot on max exposure time that will work?  Would 60 or even 30 second exposures work?

It is not unusable at all, as I'm using it at 30 C ambient temperatures and getting good data. Check my southern pinwheel photo, I spent less than an hour on it.
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Gondola 8.11
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Clayton Ostler:
Tony Gondola:
I own both the cooled and uncooled versions and the bottom line is, in cold temps there really isn't much difference. On hot summer nights there is a huge difference with the uncooled version being almost unusable.

Good to know. When you say unusable, have you found a sweet spot on max exposure time that will work?  Would 60 or even 30 second exposures work?

It all works, the problem was that the noise level was just having an impact on my final results that I just found to be unacceptable for my setup and conditions. I am shooting under bortle 8 and I'm sure that had an impact. Temps were in the 90's, I don't know what the sensor temp was but I'm sure it was up there. It was at that point that I decided to go cooled. Don't get me wrong, the 585 is a great sensor cooled or uncooled. You are just going to have to work harder in the really hot weather to get a good result. It's pretty much like shooting with a DSLR at that point.
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