1. Department of Electrical and Computer Engineering and Center for Space Physics Boston University Boston MA USA
2. Taivaanvahti/Skywarden Observation Service Ursa Astronomical Association Helsinki Finland
3. Citizen Scientist Nurmes Finland
4. Department of Astronomy and Center for Space Physics Boston University Boston MA USA
5. Citizen Scientist Strathmore AB Canada
6. Citizen Scientist Valtimo Finland
7. Department of Physics and Astronomy University of Calgary Calgary AB Canada
8. Institute for Space Earth Environmental Research Nagoya University Nagoya Japan
9. Bradley Department of Electrical and Computer Engineering Virginia Tech Blacksburg VA USA