Viewing archive of Wednesday, 21 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 |
|---|---|---|---|---|---|
| 190 35 | 1 -1 | C1.7 | M1.17 | 4 | 2 |
Sunspot regions
Region 13333 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -6 | 80 20 | CAO | S12W58 | |
|
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Region 13335 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 -1 | 220 20 | EAI | S15W30 | |
|
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Region 13337 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 9 | 120 110 | CSO | N16W10 | |
|
||||
Solar flares on this day | ||||
| C9.9 C5.5 | ||||
Region 13338 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 40 -10 | CSO | N11W10 | |
|
||||
Region 13339 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 3 | 140 | CAO | S18E14 | |
|
||||
Region 13340 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 5 | 120 40 | DAI | N21E17 | |
|
||||
Region 13341 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 3 | 190 80 | CSO | S15E44 | |
|
||||
Solar flares on this day | ||||
| C5.1 M1.1 C4.4 | ||||
Region 13342 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -2 | 200 130 | DAO | S22W88 | |
|
||||
Solar flares on this day | ||||
| C2.5 C3.5 C3.0 | ||||
Region 13344 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 80 70 | DAO | N22W61 | |
|
||||
Region 13345 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 2 | 80 50 | CSO | N10E45 | |
|
||||
Region 13346 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 20 | CAO | N08E22 | |
|
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All times in UTC
Latest news
Monday, 30 March 2026
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Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
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Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 118.8 +32.8 |
| Last 30 days | 102.1 +47 |
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