Viewing archive of Saturday, 17 May 2025 - 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 |
|---|---|---|---|---|
| 58 1 | 1 -1 | B4.03 | C2.29 | 1 |
Sunspot regions
Region 14087 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -3 | 220 -10 | DSO | N18E12 | |
|
||||
Solar flares on this day | ||||
| B9.7 B9.6 | ||||
Region 14088 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N09W85 | |
|
||||
Solar flares on this day | ||||
| C2.2 | ||||
Region 14089 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 3 | 30 | DRO | N17E40 | |
|
||||
Solar flares on this day | ||||
| B8.5 B9.2 | ||||
Region 14090 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 40 -20 | CSO | S13E49 | |
|
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Region 14091 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | CRO | S13E37 | |
|
||||
All times in UTC
Latest news
Wednesday, 14 May 2025
Another X-flare! Potent sunspot region 4087!
Tuesday, 13 May 2025
X1.1 solar flare from sunspot region 4086
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Latest forum messages
AR4087 197Emerging Flux Theory 36Tuesday's Filament makes the news in the UK 8Unspecified geomagnetic activity 2501Solar Transit, Artifacts, or Radiation 19
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Space weather facts
| Last X-flare | 2025/05/14 | X2.7 |
| Last M-flare | 2025/05/15 | M2.1 |
| Last geomagnetic storm | 2025/05/17 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 69.8 -70.8 |
| Last 30 days | 94.8 -23.4 |