isolated proton aurora

Nakmaura, K., Shiokawa, K., Otsuka, Y., Shinbori, A., Miyoshi, Y., Connors, M., et al. (2021). Simultaneous observation of two isolated proton auroras at subauroral latitudes by a highly sensitive all-sky camera and Van Allen Probes. Journal Of Geophysical Research: Space Physics, n/a, e2020JA029078. http://doi.org/https://doi.org/10.1029/2020JA029078 (Original work published April 2021)