Viewing archive of Saturday, 8 April 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 |
|---|---|---|---|---|
| 0 -27 | 0 | B1.43 | C1.59 | 2 |
Sunspot regions
Region 12645 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -9 | 70 -310 | CAO | S09W91 | |
|
||||
Solar flares on this day | ||||
| B5.28 C1.53 C2.05 B4.32 B6.59 | ||||
Region 12648 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 0 -20 | AXX | S03W04 | |
|
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All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
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Unspecified geomagnetic activity 89AR4387 5Available resources & tools / space weather databases 7Sunspot Latitudes at or near Solar Maximum 114Incoming & Unnumbered Active Regions 222
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 75.1 -3.1 |
| Last 30 days | 52.5 -75.3 |