Viewing archive of Thursday, 23 September 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 |
|---|---|---|---|---|
| 78 -25 | 0 -2 | B4.43 | C1.77 | 1 |
Sunspot regions
Region 8700 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -3 | 40 | CRO | N13W47 | |
Region 8702 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 0 | BXO | N23W53 | |
Region 8704 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 5 | 120 -10 | CSO | S22E01 | |
Region 8706 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 90 -20 | HSX | N19E38 | |
Region 8707 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 0 | BXO | S07W08 | |
Region 8708 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 | 40 | CRO | S09E55 | |
All times in UTC
Latest news
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Latest forum messages
Incoming & Unnumbered Active Regions 1360Strong far side CME 338Unspecified geomagnetic activity 175150 mhz F2 51AR 13932 13
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 | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 106.6 -45.9 |
| Last 30 days | 116.1 -41.8 |