Viewing archive of Monday, 19 April 2021 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | M |
|---|---|---|---|---|
| 36 21 | 1 1 | B1.19 | M1.11 | 1 |
Sunspot regions
Region 12816 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 3 | 120 70 | DAI | S25E21 | |
|
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Solar flares on this day | ||||
| B8.2 M1.1 | ||||
Region 12817 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 | 60 | BXO | N18W45 | |
|
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Solar flares on this day | ||||
| B3.1 B1.5 B5.0 B2.5 B2.7 B6.7 | ||||
All times in UTC
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Latest forum messages
AR 13901 82Sunspot Latitudes at or near Solar Maximum 76Incoming & Unnumbered Active Regions 1244The Rotations of AR 13780 and AR 13902 1Space Weather Memes 580
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 155.2 +4.4 |