Sunspot region AR8171
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/02/28 | 3 | 10 | BXO | S24E05 | |
| 1998/03/01 | 8 | 30 | DRO | S24W10 | |
| 1998/03/02 | 14 | 110 | DSO | S23W23 | |
| 1998/03/03 | 30 | 190 | DSI | S23W36 | |
| 1998/03/04 | 24 | 300 | EAI | S23W50 | |
| 1998/03/05 | 19 | 540 | EKI | S24W62 | |
| 1998/03/06 | 16 | 660 | EKI | S24W75 | |
| 1998/03/07 | 5 | 340 | DHO | S24W86 |
| B | C |
|---|---|
| 11 | 20 |
The top 10 solar flares from sunspot region 8171
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.41 | 1998/03/05 | 09:05 | 09:12 | 09:15 | |
| 2 | C3.7 | 1998/03/05 | 00:14 | 00:20 | 00:38 | |
| 3 | C3.7 | 1998/03/06 | 01:23 | 01:28 | 01:33 | |
| 4 | C3.63 | 1998/03/04 | 07:11 | 07:19 | 07:33 | |
| 5 | C3.5 | 1998/03/04 | 21:24 | 21:39 | 21:48 | |
| 6 | C3.3 | 1998/03/05 | 15:02 | 15:08 | 15:16 | |
| 7 | C2.83 | 1998/03/04 | 19:10 | 19:16 | 19:25 | |
| 8 | C2.67 | 1998/03/05 | 13:12 | 13:20 | 13:32 | |
| 9 | C2.6 | 1998/03/04 | 05:53 | 06:05 | 06:16 | |
| 10 | C2.09 | 1998/03/04 | 17:32 | 17:36 | 17:40 |
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Latest forum messages
Do the high-resolution sunspot counts point to more complex sunspots? 72Unspecified geomagnetic activity 69AR4374 21Current Farside Activity 398Incoming & Unnumbered Active Regions 170
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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