Sunspot region AR8415
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/12/18 | 5 | 10 | BXO | N19E72 | |
| 1998/12/19 | 11 | 190 | EAI | N19E61 | |
| 1998/12/20 | 18 | 270 | EAI | N20E49 | |
| 1998/12/21 | 16 | 170 | EAI | N20E36 | |
| 1998/12/22 | 17 | 130 | EAO | N20E23 | |
| 1998/12/23 | 16 | 70 | CAO | N20E11 | |
| 1998/12/24 | 11 | 40 | CRO | N22W02 | |
| 1998/12/25 | 5 | 10 | BXO | N23W12 | |
| 1998/12/27 | 1 | 0 | AXX | N20W40 | |
| 1998/12/28 | 1 | 0 | AXX | N16W49 |
| B | C | M | X |
|---|---|---|---|
| 1 | 12 | 2 | 1 |
The top 10 solar flares from sunspot region 8415
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.15 | 1998/12/18 | 17:13 | 17:22 | 17:27 | |
| 2 | M2.63 | 1998/12/20 | 08:49 | 09:00 | 09:03 | |
| 3 | M1.19 | 1998/12/17 | 22:58 | 23:06 | 23:10 | |
| 4 | C7.97 | 1998/12/19 | 23:11 | 23:24 | 23:29 | |
| 5 | C6.39 | 1998/12/19 | 14:26 | 14:36 | 14:41 | |
| 6 | C5 | 1998/12/20 | 05:07 | 05:14 | 05:21 | |
| 7 | C4.97 | 1998/12/18 | 07:42 | 07:50 | 07:58 | |
| 8 | C4.94 | 1998/12/18 | 05:14 | 05:27 | 05:30 | |
| 9 | C4.57 | 1998/12/18 | 03:02 | 03:07 | 03:11 | |
| 10 | C3.6 | 1998/12/18 | 03:43 | 03:48 | 03:51 |
Latest news
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Latest forum messages
AR 13932 27Incoming & Unnumbered Active Regions 1362AR 3928 6Strong far side CME 338Unspecified geomagnetic activity 1751
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M8.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 106.6 -45.9 |
| Last 30 days | 116.1 -41.8 |