Viewing archive of Thursday, 22 April 1999 - 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 |
|---|---|---|---|---|
| 62 -17 | 0 | B5.14 | C6.49 | 2 |
Sunspot regions
Region 8516 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 50 10 | CSO | S19W25 | |
Region 8517 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 40 -60 | HSX | N24W88 | |
Region 8518 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 1 | 160 | DAO | S15E15 | |
Region 8520 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 0 -10 | BXO | N19W15 | |
Region 8521 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 3 | 30 30 | CSO | N34W35 | |
All times in UTC
Latest news
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
Wednesday, 5 March 2025
Coronal hole faces Earth
Latest forum messages
Large Coronal Hole 25 127Aurora photography hints for those of us with smartphones 43Photographing auroras 34AR4043 8More on an art than a science 3
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Latest alerts
23:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 22:37 UTC
20:30 UTC - Geomagnetic activity
Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 20:08 UTC
20:15 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:00 UTC
18:00 UTC - Geomagnetic activity
Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 17:00 UTC
17:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 16:28 UTC
Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/26 | M1.0 |
| Last geomagnetic storm | 2025/03/22 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 135 -19.6 |
| Last 30 days | 133.8 -19.2 |