Observing Basics: Coming to terms

When you’re starting out in astrophotography, the myriad technical terms can be daunting. Gain? Offset? Flat darks — or is it dark flats? Let’s clear up some common areas of confusion. We’ll start with gain. Setting the gain value affects a camera’s electronic gain, which is reported in electrons per analog-to-digital unit, or e–/ADU. AContinue reading “Observing Basics: Coming to terms”
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