Viewing archive of Sunday, 31 January 1999 - 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 |
|---|---|---|---|---|
| 59 30 | 2 2 | B5.14 | C1.26 | 4 |
Sunspot regions
Region 8446 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -5 | 160 140 | DSO | N17W59 | |
Solar flares on this day | ||||
| C1 | ||||
Region 8449 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 1 | 10 | BXO | N27W74 | |
Solar flares on this day | ||||
| C1.12 | ||||
All times in UTC
Latest news
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Tuesday, 8 October 2024
Double X-flares, glancing blow possible
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AR 13869 164"Sorry, you have been blocked" 4AR 13883 96New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 19Incoming & Unnumbered Active Regions 1182
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| Last X-flare | 2024/10/31 | X2.0 |
| Last M-flare | 2024/11/05 | M2.6 |
| Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
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|---|---|
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