Viewing archive of Friday, 31 March 2017 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 65 32 | 1 1 | B1.57 | C2.56 | 2 |
Sunspot regions
Region 12644 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -7 | 190 -30 | ESO | N12W23 | |
|
||||
Solar flares on this day | ||||
| B4.18 B4.07 B4.08 B5.29 | ||||
Region 12645 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -2 | 260 80 | DKI | S11E15 | |
|
||||
Solar flares on this day | ||||
| B6.7 B3.33 C2.51 C1.66 | ||||
Latest news
Wednesday, 8 May 2024
Sunspot region 3664, major flares and CMEs!
Monday, 6 May 2024
X4.5 solar flare
Saturday, 4 May 2024
Sunspot region 3663, X1 solar flare
Latest forum messages
AR3664 242[CME] AR 13664, X1.04, 2024-05-08 46Filaments and prominences 87Incoming Active Regions 242Unproven theories 385
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Space weather facts
| Last X-flare | 2024/05/08 | X1.0 |
| Last M-flare | 2024/05/08 | M2.0 |
| Last geomagnetic storm | 2024/05/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| Last 30 days | 161.2 +69.2 |