Viewing archive of Monday, 16 October 2023 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 106 14 | 1 1 | B6.2 | C9.86 | 7 |
Sunspot regions
Region 13460 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -4 | 30 -60 | HSX | S10W85 | |
|
||||
Solar flares on this day | ||||
| B9.1 C1.8 | ||||
Region 13463 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 8 | 10 | AXX | S18W33 | |
|
||||
Region 13464 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 4 | 100 | CSO | N05W19 | |
|
||||
Solar flares on this day | ||||
| C1.8 | ||||
Region 13465 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 190 -50 | HAX | N11E03 | |
|
||||
Region 13466 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -2 | 10 -20 | BXO | N07W65 | |
|
||||
Region 13467 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -3 | 10 -30 | AXX | N12E42 | |
|
||||
Solar flares on this day | ||||
| C7.4 C4.9 | ||||
Region 13468 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 80 | HAX | S10E72 | |
|
||||
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |