Viewing archive of Tuesday, 31 July 2001 - 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 |
|---|---|---|---|---|
| 85 21 | 1 -1 | B3.57 | C8.64 | 4 |
Sunspot regions
Region 9557 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 5 | 110 -20 | EAO | S19E22 | |
Solar flares on this day | ||||
| C1.05 | ||||
Region 9559 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -3 | 10 -30 | CRO | S24W23 | |
Region 9561 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 70 | DAO | S13E63 | |
Solar flares on this day | ||||
| C2.61 C3.86 | ||||
Region 9562 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 140 | DAO | N05E70 | |
All times in UTC
Latest news
Friday, 17 May 2024
Let's compare! Halloween 2003 VS May 2024 Solar Storms!
Friday, 17 May 2024
Coronal mass ejection impact, New website feature!
Wednesday, 15 May 2024
More X-flares!
Latest forum messages
AR3685 77Incoming Active Regions 373Another interesting video 1Latest SC25 Predictions 128Filaments and prominences 132
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!
Space weather facts
| Last X-flare | 2024/05/15 | X2.9 |
| Last M-flare | 2024/05/19 | M1.6 |
| Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 157.5 +21 |
| Last 30 days | 168.7 +50.9 |