Viewing archive of Saturday, 21 January 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 | M |
|---|---|---|---|---|---|
| 67 6 | 0 -2 | B2 | M1.33 | 7 | 1 |
Sunspot regions
Region 12625 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 40 20 | HAX | S00W35 | |
|
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Region 12626 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 50 -20 | HAX | N08W24 | |
|
||||
Region 12627 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 | 70 | DAO | N05E28 | |
|
||||
Region 12628 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 20 | BXO | N12E49 | |
|
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Solar flares on this day | ||||
| B7.16 B9.63 C1.03 B4.52 C1.75 C1.15 M1.34 B4.4 B4.86 B6.75 C1.4 C1.59 C8.74 C2.51 B6.78 | ||||
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| Last M-flare | 2024/12/24 | M4.7 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
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