Auroral Imaging Group Swarm-Aurora Conjunction Finder https://swarm-aurora.com/conjunctionFinder/

European Space Agency Swarm Data Access ftp://swarm-diss.eo.esa.int/

THEMIS ground-based All-Sky Imager array University of California THEMIS http://themis.ssl.berkeley.edu/data/themis/thg/

Space Sciences Laboratory THEMIS Science Data Analysis Software http://themis.ssl.berkeley.edu/

NASA Goddard Space Flight Center The Space Physics Data Facility (SPDF) https://omniweb.gsfc.nasa.gov/

Data Analysis Center for Geomagnetism and Space Magnetism World Data Center for Geomagnetism http://wdc.kugi.kyoto-u.ac.jp/