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ZWO ASI178MM-cooled – Master Dark frames

As the weather has not been suitable for imaging, I decided to do some master dark frames with the ZWO ASI178MM-cooled at different gain settings. I chose to cool the sensor down to -20 degrees Celsius, as I thought that this would still be achievable when imaging during summer nights – allowing me to use just one set of master dark frames throughout the year. Continue reading ZWO ASI178MM-cooled – Master Dark frames