Viewing archive of Monday, 16 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 |
|---|---|---|---|---|
| 71 -16 | 0 -2 | B7.57 | C1.97 | 4 |
Sunspot regions
Region 8662 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 -6 | 100 -30 | FSO | S15W59 | |
Region 8667 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 10 | BXO | N23E28 | |
Region 8668 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 3 | 380 30 | CKO | N22E54 | |
Solar flares on this day | ||||
| C1.97 C1.17 C1.8 | ||||
Region 8669 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 20 10 | CRO | S20E27 | |
Region 8670 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S12W23 | |
Region 8671 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | S09W13 | |
All times in UTC
Latest news
Wednesday, 15 May 2024
More X-flares!
Tuesday, 14 May 2024
X8.7 solar flare
Monday, 13 May 2024
M6.6 solar flare with earth-directed CME
Latest forum messages
Unproven theories 472A little bit about our hobby for the general public 3Is there any truth to this "Internet/Electrical Grid Apocalypse"? 172Anomaly.. 17Incoming Active Regions 358
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 | 2024/05/16 | M1.0 |
| Last geomagnetic storm | 2024/05/16 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 156.6 +20.1 |
| Last 30 days | 177 +70.8 |