Viewing archive of Tuesday, 28 February 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 |
|---|---|---|---|---|
| 39 -1 | 0 -1 | A8.86 | C1.11 | 1 |
Sunspot regions
Region 12638 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 90 -10 | HSX | N16W29 | |
|
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Region 12640 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 2 | 20 10 | BXO | N09E11 | |
|
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Region 12641 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 40 | CRO | N15E46 | |
|
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Solar flares on this day | ||||
| B4.2 B4.5 C1.05 | ||||
All times in UTC
Latest news
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
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Strong far side CME 341Unexplained proton activity 10AR 13932 33Unspecified geomagnetic activity 1752Incoming & Unnumbered Active Regions 1364
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M8.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 106.6 -45.9 |
| Last 30 days | 116.1 -41.8 |