Hacker News new | ask | show | jobs
by JonathonW 2946 days ago
There's more information on the GeoColor products here: https://www.star.nesdis.noaa.gov/GOES/documents/QuickGuide_C...

The short version: daytime imagery is derived from GOES-16's red, blue, and near-IR (band 3) channels, with a simulated green channel. Night imagery's all IR; the base map (with city lights) is static and derives from a different satellite.