All my Astronomy mods and stuffs. All this blog is protected by the Attribution Non-Commercial Share Alike Creative Commons License. See creativecommons.org for more details.
After my QHY5 passive cooling modification this summer, I made some noise tests at "high" ambient temperatures (about 20 celsius) :
Cooling the QHY5 imager/autoguider (step 1)
I made some more winter tests at low temperatures (about -5 celsius this night).
One minute dark frame, gain at 1 :
Histrogram :
It performs well for a CMOS !
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