Sunspot region AR9173
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2000/09/25 | 1 | 30 | HSX | S14E72 | |
| 2000/09/26 | 1 | 70 | HAX | S13E60 | |
| 2000/09/27 | 10 | 120 | EAO | S13E51 | |
| 2000/09/28 | 17 | 110 | EAO | S13E38 | |
| 2000/09/29 | 25 | 130 | EAO | S12E25 | |
| 2000/09/30 | 25 | 220 | EAI | S12E13 | |
| 2000/10/01 | 23 | 260 | EAI | S11W02 | |
| 2000/10/02 | 21 | 260 | EAI | S11W15 | |
| 2000/10/03 | 20 | 310 | EKI | S11W28 | |
| 2000/10/04 | 16 | 290 | ESI | S11W41 | |
| 2000/10/05 | 20 | 300 | EAI | S12W53 | |
| 2000/10/06 | 11 | 200 | ESO | S13W68 | |
| 2000/10/07 | 7 | 150 | EAO | S11W80 | |
| 2000/10/08 | 1 | 20 | HRX | S12W88 |
| C |
|---|
| 13 |
The top 10 solar flares from sunspot region 9173
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C9.59 | 2000/09/26 | 21:40 | 21:49 | 21:59 | |
| 2 | C8.43 | 2000/09/29 | 06:51 | 06:57 | 07:05 | |
| 3 | C8.27 | 2000/09/30 | 08:55 | 08:59 | 09:01 | |
| 4 | C6.79 | 2000/09/30 | 04:29 | 04:34 | 04:36 | |
| 5 | C6.73 | 2000/09/28 | 22:44 | 23:02 | 23:17 | |
| 6 | C6.29 | 2000/09/28 | 20:39 | 20:46 | 20:52 | |
| 7 | C6.16 | 2000/09/26 | 12:28 | 12:31 | 12:41 | |
| 8 | C4.09 | 2000/09/29 | 20:46 | 20:51 | 20:56 | |
| 9 | C3.84 | 2000/09/27 | 22:49 | 23:02 | 23:09 | |
| 10 | C3.31 | 2000/09/30 | 03:14 | 03:18 | 03:21 |
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 122.8 +36.9 |
| Last 30 days | 99.9 +42.1 |
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