1. Baja Astronomical Observatory of University of Szeged, H-6500 Baja, Szegedi út, Kt. 766, Hungary
2. Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, H-1121 Budapest, Konkoly Thege Miklós út 15-17, Hungary
3. ELTE Gothard Astrophysical Observatory, H-9700 Szombathely, Szent Imre h. u. 112, Hungary
4. Department of Physics, Kavli Institute for Astrophysics and Space Research, MIT, Cambridge, MA 02139, USA
5. Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK
6. Citizen Scientist, c/o Zooniverse, Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK
7. Amateur Astronomer, Glendale, AZ 85308, USA
8. Amateur Astronomer, 12812 SE 69th Place Bellevue, WA 98006, USA
9. Brorfelde Observatory, Observator Gyldenkernes Vej 7, DK-4340 Tølløse, Denmark
10. DTU Space, National Space Institute, Technical University of Denmark, Elektrovej 327, DK-2800 Lyngby, Denmark
11. Amateur Astronomer, 7507 52nd Place NE, Marysville, WA 98270, USA
12. Department of Astronomy, The University of Wisconsin-Madison, 475 N. Charter St, Madison, WI 53706, USA
13. Congarinni Observatory, Congarinni, NSW 2447, Australia