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Hi Glen,
this is a great project and congrat's.
As I have little time and very little technical expertise, over the next month I will be getting my Canon 400D cooled using a cold finger mod by Luis Campos is Europe. The camera is already spectrum modified.
One of the things I am wondering about is the Signal/Noise ratio that you are finding with your cooled camera?
Previously, around 200 seconds at ISO1600 for my 400D seemed to be a good compromise. However, I wonder what the sweet spot will be once I drop the ambient by 20 or more degrees?
Look forward to seeing more of your images.
Clear skies,
John K.
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