Estimated Boreal Aurora Camera Constellation (BACC) field of view for 110 km peak emission altitude and blocking set to 20 degrees above the horizon. Camera station abbreviations: LYR - Longyearbyen, NAL - Ny-Ålesund, KEV - Kevo, MUO - Muonio, SKN - Skibotn and AND - Andøya. Created by M. G. Johnsen (TGO)