Viewing archive of Tuesday, 17 March 2015 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 60 3 | 2 2 | B4.71 | M1.5 | 2 | 1 |
Sunspot regions
Region 12297 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 24 3 | 380 10 | EKC | S17W52 | |
|
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Solar flares on this day | ||||
| C2.65 | ||||
Region 12299 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 -10 | AXX | S04E05 | |
|
||||
Region 12301 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | AXX | S16W27 | |
|
||||
All times in UTC
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/03 | M1.3 |
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| Spotless days | |
|---|---|
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| 2026 | 3 days (3%) |
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|---|---|
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