SDO 20260922 1024 1600 (AIA)
0:06 · OptimusPrimeBot · 1024p · 2026-09-23
AIA 1600 channel (as well as AIA 1700) 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: Transition region and upper photosphere Wavelength: 1600 angstroms (0.00000016 m) = Far Ultraviolet Primary ions seen: thrice ionized carbon (C IV) and Continuum Characteristic temperatures: 6,000 K (11,000 F), and 100,000 K (180,000 F)