Viewing archive of Sunday, 13 September 1998 - Sunspot regions
It appears that the image of the visible solar disk for this day in history is missing.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 111 -7 | 0 -1 | B4.86 | M1.19 | 5 | 1 |
Sunspot regions
Region 8328 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 80 -10 | CSO | S18W34 | |
Region 8329 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -7 | 210 -30 | ESO | N14W46 | |
Solar flares on this day | ||||
| C5.47 | ||||
Region 8330 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 130 90 | HSX | S23E00 | |
Region 8331 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 25 5 | 160 -20 | EAI | N25E02 | |
Region 8333 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -4 | 230 110 | DAO | N11W71 | |
Solar flares on this day | ||||
| C2.37 M1.19 | ||||
Region 8334 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 4 | 30 20 | BXO | S25W47 | |
Region 8335 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 30 | CRO | S22E68 | |
Latest news
Saturday, 11 May 2024
Strongest geomagnetic storm since 2003, X5.8 solar flare
Saturday, 11 May 2024
Extreme G5 geomagnetic storm
Friday, 10 May 2024
Severe G4 geomagnetic storm
Latest forum messages
Geomagnetic storming, CMEs from AR 13664, 2024-05-09/10 1281AR3664 813Traffic record broken!(?) Updated! 10Where will Aurorae be visible on May 11th after the G5 storm? 4Aurora movement 4
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 | 2024/05/11 | X1.5 |
| Last M-flare | 2024/05/11 | M8.7 |
| Last geomagnetic storm | 2024/05/10 | Kp9 (G5) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 139.8 +3.3 |
| Last 30 days | 170.5 +79.6 |