She's back! That massive coronal hole system that faced us four weeks ago is back and it survived its trip around the farside of our star. This truly gigantic coronal hole managed to cause geomagnetic storming conditions on five consecutive days during the first five days of this month. Fantastic auroral displays were reported from all around the world.
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| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/27 | M5.1 |
| Ultima tempesta geomagnetica | 2025/12/22 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| novembre 2025 | 91.8 -22.8 |
| dicembre 2025 | 114.9 +23.1 |
| Ultimi 30 giorni | 113.2 +27.4 |