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Home > Glossary > Telescope accessories > Capacity > Active cooling

Glossary | Telescope accessories | Capacity | Active cooling

For long exposure times, many CCD cameras are cooled to reduce thermal noise and achieve higher image quality. CCD cameras are grouped into three categories:
- no cooling
- passive cooling via cooling fins
- active cooling (e.g. using a fan and Peltier element)
26.09.2022


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