Viewing archive of Friday, 17 September 2004 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 76 -4 | 0 | B2.57 | B5.69 |
Sunspot regions
Region 10672 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 45 -1 | 230 -90 | EAI | N05W17 | |
Region 10673 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 14 | 240 100 | EKI | S12E61 | |
Latest news
Saturday, 4 May 2024
Sunspot region 3663, X1 solar flare
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Saturday, 23 March 2024
X1.1 solar flare with earth-directed CME
Latest forum messages
AR3663 148AR3664 14Unproven theories 383Weakening of Earths magnetic field due to geomagnetic excursion 10CME 2024-MAY-01 south of AR3654 C5.8 6
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Space weather facts
| Last X-flare | 2024/05/05 | X1.2 |
| Last M-flare | 2024/05/05 | M7.3 |
| Last geomagnetic storm | 2024/05/02 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| Last 30 days | 153.8 +59.7 |