Last modified: Jan 19, 2026
Since January 18, 2026
¿¿¿¿¿¿¿¿¿¿¿ ¿¿¿¿¿¿¿¿¿¿¿


Five-wavelength photometer operated at Tromsoe

Quick look plots




(1) 1st season: September 6, 2017 to Mar 21, 2018
Sep 2017 Oct 2017 Nov 2017 Dec 2017
Jan 2018 Feb 2018 Mar 2018




(2) 2nd season: September 28, 2018 to Mar 18, 2019
Sep 2018 Oct 2018 Nov 2018 Dec 2018
Jan 2019 Feb 2019 Mar 2019




(3) 3rd season: Oct 12, 2019 to April 16, 2020
Oct 2019 Nov 2019 Dec 2019 Jan 2020
Feb 2020 Mar 2020 Apr 2020




(4) 4th season: Nov 17, 2020 to April 16, 2021 (Late start due to COVID-19)
Nov 2020 Dec 2020 Jan 2021 Feb 2021
Mar 2021 Apr 2021




(5) 5th season: September 3, 2021 to April 16, 2022
Sep 2021 Oct 2021 Nov 2021 Dec 2021
Jan 2022 Feb 2022 Mar 2022 Apr 2022




(6) 6th season: September 6, 2022 to April 16, 2023
Sep 2022 Oct 2022 Nov 2022 Dec 2022
Jan 2023 Feb 2023 Mar 2023 Apr 2023




(7) 7th season: August 29, 2023 to April 16, 2024
Aug 2023 Sep 2023 Oct 2023 Nov 2023
Dec 2023 Jan 2024 Feb 2024 Mar 2024
Apr 2024




(8) 8th season: September 13, 2024 to April 16, 2025
Sep 2024 Oct 2024 Nov 2024 Dec 2024
Jan 2025 Feb 2025 Mar 2025 Apr 2025




(8) 9th season: September 13, 2025 to January 16, 2025 (ON-GOING)
Aug 2025 Sep 2025 Oct 2025 Nov 2025
Dec 2025 Jan 2026





No data dates: 20170927, 20200228, 20230327


Go to Nozawa webpage

Go to Aurora-Movie-main

Best selection of Aurora photos by auto-shiooting digital cameras at Tromsoe

Go to Aurora-photo-selection webpage



If you are interested in our data, please contact on




Reference
Nozawa, S., T. Kawabata, K. Hosokawa, Y. Ogawa, T. Tsuda, A. Mizuno, R. Fujii, and C. Hall, A new five-wavelength photometer operated in Tromsø (69.6°N, 19.2°E), Earth, Planets and Space, 70:193, 2018.


Adachi, K., S. Nozawa, Y. Ogawa, A. Brekke, C. M. Hall, R. Fujii, Evaluation of a method to derive ionospheric conductivities using two auroral emissions (428 and 630 nm) measured with a photometer at Tromsø (69.6°N), Earth, Planets and Space, 69: 90. doi:10.1186/s40623-017-0677-4, 2017.