Viewing archive of Thursday, 17 September 2015 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 72 5 | 0 | B4.14 | M1.63 | 15 | 2 |
Sunspot regions
Region 12414 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -3 | 120 -50 | HSX | S12W84 | |
|
||||
Region 12418 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 250 50 | HHX | S16E30 | |
|
||||
Region 12419 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 120 110 | DAO | N12E35 | |
|
||||
All times in UTC
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Space weather facts
| Last X-flare | 2024/12/30 | X1.1 |
| Last M-flare | 2024/12/30 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 134.4 -18.1 |
| Last 30 days | 134.4 -10.6 |