Viewing archive of Wednesday, 7 October 2015 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 24 | 0 -1 | B1.34 | B7.39 |
Sunspot regions
Region 12427 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -3 | 100 -10 | CSO | N16W72 | |
|
||||
Solar flares on this day | ||||
| B3.28 B1.64 B6.97 | ||||
Region 12429 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | S17E56 | |
|
||||
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
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X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 234Do the high-resolution sunspot counts point to more complex sunspots? 39Incoming & Unnumbered Active Regions 141Space Weather Memes 780Current Farside Activity 350
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| Last 30 days | 119.2 +2.7 |