Viewing archive of Monday, 18 September 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 |
|---|---|---|---|---|
| 139 45 | 4 3 | C1.02 | C4.91 | 15 |
Sunspot regions
Region 13425 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -3 | 80 60 | DAO | N23W83 | |
|
||||
Solar flares on this day | ||||
| C1.6 | ||||
Region 13429 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -5 | 50 -10 | CSO | N12W50 | |
|
||||
Solar flares on this day | ||||
| C1.4 | ||||
Region 13433 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 70 -20 | CSO | N28W16 | |
|
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Region 13435 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 280 170 | CKO | N10E50 | |
|
||||
Solar flares on this day | ||||
| C2.6 C2.3 | ||||
Region 13436 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 6 | 100 20 | DAI | N19W36 | |
|
||||
Solar flares on this day | ||||
| C1.8 C2.0 C1.8 C1.9 C2.4 C3.8 C3.3 C4.9 | ||||
Region 13437 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 | 70 | DSO | S17W17 | |
|
||||
Region 13438 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HSX | N11E49 | |
|
||||
Region 13439 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 60 | DAO | S23E57 | |
|
||||
Region 13440 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 60 | HSX | N17E74 | |
|
||||
All times in UTC
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Latest forum messages
>500 meV 22AR 3906 7Suggestion - Can admins automatically generate "official" AR topic threads as the regions appear and are numbered? 2Comment limitation 6Incoming & Unnumbered Active Regions 1257
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/23 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 144.1 -22.3 |
| Last 30 days | 158.7 +10.9 |