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.
Just a TIP :
Some newly produced QHY5 don't have any cooling windows behind the cmos sensor. The Great Steve Chambers have nice solution, using epoxy potting compound on a SpaceCam. This solution could certainly give nice results on our QHY5.
Have a look at the end of this page : link
Best regards !