Fig. 9From: A new five-wavelength photometer operated in Tromsø (69.6°N, 19.2°E)This figure is the same as Fig. 7 except for the interval between 20:57:00 and 21:00:00 UT on October 19, 2017, and multiplied factors of 0.1, 0.5, 1, and 1 for the emissions of 557.7 nm, 630 nm, 777.4 nm, and 844.6 nm, respectivelyBack to article page