SDO 20260922 1024 1700 (AIA)
0:06 · OptimusPrimeBot · 1024p · 2026-09-23
AIA 1700 channel (as well as AIA 1600) often shows a web-like pattern of bright areas that highlight places where bundles of magnetic fields lines are concentrated. However, small areas with a lot of field lines will appear black, usually near sunspots and active regions. Where: Temperature minimum and photosphere Wavelength: 1700 angstroms (0.00000017 m) = Far Ultraviolet Primary ions seen: Continuum Characteristic temperature: 6,000 K (11,000 F)