Viewing archive of Tuesday, 23 April 2013 - 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 |
|---|---|---|---|---|---|
| 95 12 | 2 2 | B7 | M1.18 | 13 | 1 |
Sunspot regions
Region 11723 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 40 10 | CSO | S20W84 | |
|
||||
Solar flares on this day | ||||
| C4.36 | ||||
Region 11726 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 34 -8 | 580 30 | EKI | N13W49 | |
|
||||
Solar flares on this day | ||||
| C1.57 C1.25 C1.24 M1.18 C1.78 C2.11 C3.58 C2.59 C2.43 C3.56 | ||||
Region 11727 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -5 | 40 -30 | CAO | N25E03 | |
|
||||
Region 11728 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 40 | CSO | N19E62 | |
Region 11729 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | S14W08 | |
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| Last M-flare | 2024/12/22 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| Last 30 days | 115.4 -40.8 |