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1 décembre 2010 3 01 /12 /décembre /2010 22:26

    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 :

 

dark5.png

 

    Histrogram :

 

histo5.jpg

 

It performs well for a CMOS !

 

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