Viewing archive of Saturday, 15 April 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 |
|---|---|---|---|---|
| 151 -2 | 0 | C1.49 | C7.17 | 16 |
Sunspot regions
Region 13272 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -6 | 30 -30 | CRO | S21W46 | |
|
||||
Solar flares on this day | ||||
| C2.3 C3.2 | ||||
Region 13273 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 -10 | HRX | N11W51 | |
|
||||
Region 13275 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 -10 | HAX | N19W03 | |
|
||||
Region 13276 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 10 | BXO | S21E09 | |
|
||||
Region 13279 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 -4 | 140 -40 | CAI | S19E24 | |
|
||||
Solar flares on this day | ||||
| C2.6 | ||||
Region 13280 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 -6 | 240 60 | DSI | N07W48 | |
|
||||
Solar flares on this day | ||||
| C2.8 C3.3 C3.3 C4.9 C4.3 C3.5 C5.4 | ||||
Region 13281 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 4 | 310 -40 | DKO | S24E44 | |
|
||||
Solar flares on this day | ||||
| C2.3 C3.3 | ||||
Region 13282 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 9 | 400 120 | DKI | N11E43 | |
|
||||
Solar flares on this day | ||||
| C3.8 C2.9 C5.2 C7.0 C3.3 | ||||
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Space weather facts
| Last X-flare | 2024/05/15 | X2.9 |
| Last M-flare | 2024/05/19 | M1.6 |
| Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 155.9 +19.4 |
| Last 30 days | 163.2 +40.8 |