Electronically Assisted Astronomy on the Cheap
Cars That Think
APRIL 28, 2024
Taking flats, however, requires an even, diffuse light source. I was mindful, though, to acquire calibration frames—“flats” and “darks” and “bias images”—which are used to compensate for imperfections in the imaging system. Darks and bias images are easy enough to obtain by leaving the lens cap on.
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