Viewing archive of Thursday, 23 April 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 |
|---|---|---|---|---|---|
| 110 -24 | 0 -1 | C1.23 | M1.62 | 9 | 2 |
Sunspot regions
Region 12321 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HSX | N07W73 | |
|
||||
Solar flares on this day | ||||
| C2.43 | ||||
Region 12322 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 | 60 | DAC | N11W0* | |
Solar flares on this day | ||||
| M1.62 | ||||
Region 12324 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 -2 | 165 -5 | CAI | N19W47 | |
|
||||
Solar flares on this day | ||||
| C2.36 | ||||
Region 12325 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -1 | 205 -5 | CAO | N06W39 | |
|
||||
Solar flares on this day | ||||
| C4.41 | ||||
Region 12327 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 90 | HSX | S10E03 | |
|
||||
Region 12329 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -1 | 50 | CRO | S08W93 | |
|
||||
Region 12331 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 5 | 40 10 | DAC | S10W04 | |
|
||||
Region 12332 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 3 | 20 10 | CRO | S13W31 | |
|
||||
Region 12333 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HRX | N19E62 | |
|
||||
Solar flares on this day | ||||
| C4.3 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/22 | 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 | 103.3 -49.2 |
| Last 30 days | 115.4 -40.8 |