because google is no longer our friend when it comes to finding stuff

Solar spectrum, with tellurics https://hs5000.vo.aip.de/

SOLAR-ISS: A new reference spectrum based on SOLAR/SOLSPEC observations https://www.aanda.org/articles/aa/pdf/2018/03/aa31316-17.pdf

GOES X-Ray Flux https://www.swpc.noaa.gov/products/goes-x-ray-flux

Infrared Helium Sun: https://iopscience.iop.org/article/10.1088/1674-4527/ad37f4/pdf

Databases: https://data.nas.nasa.gov/helio/portals/solarflares/datasources.html

Flares and stuff: https://www.lmsal.com/isolsearch

Flare prediction forecast https://www.solarmonitor.org/forecast.php

Liege https://fermi.jhuapl.edu/liege/s08_0085.html