Viewing archive of Friday, 1 March 2002 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 153 -35 | 2 2 | C2 | M1.39 | 8 | 2 |
Sunspot regions
Region 9837 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 10 | AXX | N10W31 | |
Region 9839 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -6 | 100 -150 | DAO | S18W84 | |
Region 9842 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 130 -80 | DAO | S18W73 | |
Region 9843 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 2 | 60 40 | DSO | S26W20 | |
Region 9844 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 24 2 | 230 40 | DAI | N22W34 | |
Region 9845 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 25 3 | 320 160 | EAI | N18E08 | |
Region 9846 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 30 -150 | DAO | S05W91 | |
Region 9847 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 10 | AXX | S13W01 | |
Region 9848 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 | 50 | DSO | S20W07 | |
Solar flares on this day | ||||
| M1.04 | ||||
Region 9850 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 30 | CRO | N27W64 | |
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 988Current Farside Activity 370Incoming & Unnumbered Active Regions 152Feb 8-9 CMEs 17Do the high-resolution sunspot counts point to more complex sunspots? 52
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/08 | M1.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 137.7 +25.1 |
| Last 30 days | 126 +20.7 |