TAG
noise
Darks, bias and flats on a phone: what is worth calibrating
Your phone already measures its own black level and knows its vignetting. That leaves bad pixels: when darks earn their keep, and when they waste your night.
RAW or JPEG on a phone: what the software throws away
Your phone rewrites the sky before it shows it to you: noise smoothed, suspicious dots erased. What RAW hands back, and when it is actually worth it.
Live stacking explained: why 200 shots beat one long exposure
Why your phone cannot hold the shutter open, and how 200 short exposures, aligned and averaged, pull the sky out of the noise. No heavy math.
