Viewing archive of Friday, 31 July 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 |
|---|---|---|---|---|
| 107 38 | 3 2 | B2.14 | C4.23 | 3 |
Sunspot regions
Region 8280 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -7 | 310 -30 | HHX | S22W41 | |
Region 8282 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 -6 | 280 -40 | DKO | N31W34 | |
Region 8283 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 40 -10 | CSO | N27E30 | |
Region 8284 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -7 | 40 -30 | DSO | N26W67 | |
Region 8288 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | HRX | S26E62 | |
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
Could Cycle 25 be categorized as "historical"? 16May 2024 Geomagnetic Storms from AR 13664 (2) 326AR3664 1108Latest SC25 Predictions 134Incoming Active Regions 388
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 | 2024/05/21 | M1.9 |
| 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 | 155.9 +19.4 |
| Last 30 days | 158.9 +32.9 |