All Questions
Tagged with astrophotography experimental-physics
3 questions
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Nonlinear Response of CCD camera
What is meant when it is said a CCD's response is nonlinear? Does it mean the value of a pixel of the camera is not proportional to the number of received photons? Does it involve saturation? What ...
4
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Raw data acquirable from amateur astrophotography
What raw data can I possibly acquire from an 8" Classical Dobsonian Telescope, and a DSLR? Could anything eye-opening to amateur astronomers be computed or calculated first-hand with such equipment? I'...
8
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What Causes the Noise Floor of Modern CCDs?
CCDs are getting pretty good these days, but all systems are subject to noise. A typical value for a CCD seems to be 20 electrons RMS per pixel. This article from qsimaging.com says
CCD Read ...