Viewing archive of Monday, 17 June 2024 - 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 | M |
|---|---|---|---|---|---|
| 171 19 | 0 | C1.37 | M1.56 | 9 | 3 |
Sunspot regions
Region 13708 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 20 | HAX | S21W71 | |
|
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Region 13709 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 30 20 | CAO | S08W66 | |
|
||||
Solar flares on this day | ||||
| C1.8 | ||||
Region 13711 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 10 -10 | BXO | S11W53 | |
|
||||
Solar flares on this day | ||||
| M1.3 C5.9 | ||||
Region 13712 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 40 9 | 1100 100 | EKC | S26W12 | |
|
||||
Solar flares on this day | ||||
| C2.2 C6.2 C5.8 C1.9 C4.2 M1.5 M1.5 C1.8 | ||||
Region 13713 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 -3 | 150 -50 | ESO | S16E01 | |
|
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Solar flares on this day | ||||
| C3.1 | ||||
Region 13716 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 35 15 | 480 300 | DKC | N10W01 | |
|
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Region 13717 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 10 | BXO | N08W61 | |
|
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All times in UTC
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 118.8 +32.8 |
| Last 30 days | 103.2 +49.3 |
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