Viewing archive of Sunday, 18 June 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 | M |
|---|---|---|---|---|---|
| 133 23 | 1 | C1.26 | M2.52 | 6 | 2 |
Sunspot regions
Region 13331 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 50 -10 | HSX | S23W80 | |
|
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Region 13332 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | AXX | S10W71 | |
|
||||
Region 13333 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -5 | 200 -40 | EAI | S11W19 | |
|
||||
Region 13335 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 | 360 -30 | EKI | S15E10 | |
|
||||
Solar flares on this day | ||||
| C2.1 C2.1 | ||||
Region 13336 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 30 | CRO | S21E17 | |
|
||||
Solar flares on this day | ||||
| M1.3 M2.5 C2.7 C3.0 | ||||
Region 13338 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 120 -10 | CAO | N11E31 | |
|
||||
Region 13339 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 120 20 | HSX | S19E56 | |
|
||||
Region 13340 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 100 | CAO | N23E57 | |
|
||||
Solar flares on this day | ||||
| C1.8 | ||||
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/23 | M4.9 |
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| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| February 2025 | 154.3 +17.3 |
| Last 30 days | 150.6 -11.5 |