Aurora observations of Thursday, 17 December AM Add observation
On this map you'll find all aurora observations that were submitted for this day in history, each marker can be selected with a link to the detailed observation story with more images. If you want to share your aurora observation, click on the 'Add observation' button.
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Ultime notizie
lunedì, 19 gennaio PM
CME impact! S4 solar radiation storm
domenica, 18 gennaio PM
X1.9 solar flare with earth-directed CME
mercoledì, 31 dicembre PM
Happy New Year! Celebrate with an M7.1 solar flare!
Ultimi messaggi dal forum
Current Farside Activity 320Filaments and prominences 449Do the high-resolution sunspot counts point to more complex sunspots? 12CME modelling 9CH 15 60
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Notizie sul meteo spaziale
| Ultimo brillamento X | 2026/01/18 | X1.9 |
| Ultimo brillamento M | 2026/01/21 | M3.4 |
| Ultima tempesta geomagnetica | 2026/01/22 | Kp5+ (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| dicembre 2025 | 124 +32.2 |
| gennaio 2026 | 117.9 -6.1 |
| Ultimi 30 giorni | 121.2 +12.1 |