Viewing archive of Friday, 27 August 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 | M |
|---|---|---|---|---|---|
| 194 18 | 0 -2 | C2.43 | M7.94 | 3 | 4 |
Sunspot regions
Region 8668 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -7 | 60 -60 | HSX | N20W91 | |
Region 8673 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -5 | 410 | FKO | S19W08 | |
Solar flares on this day | ||||
| M1.02 | ||||
Region 8674 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 53 30 | 440 100 | FAI | S25W03 | |
Solar flares on this day | ||||
| C7.87 M7.94 M4.39 | ||||
Region 8675 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 3 | 60 20 | CAO | N18E53 | |
Region 8676 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 20 10 | BXO | N25E43 | |
Region 8677 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 5 | 80 20 | CAO | N07E60 | |
Region 8678 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 10 | HSX | N16W53 | |
Region 8679 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 50 | CSO | S34E58 | |
Region 8680 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 | AXX | N20W76 | |
All times in UTC
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/23 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
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|---|---|
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| Last 30 days | 72.3 -15.7 |