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Sunspot region AR8645

Number of
sunspots		 Size Class Magn. Class Spot Location
1999/07/25 5 190 DKO S26E68
1999/07/26 15 320 FAO S27E59
1999/07/27 15 410 FKO S27E46
1999/07/28 13 530 FKO S27E35
1999/07/29 24 490 FKO S26E22
1999/07/30 34 590 FKI S24E10
1999/07/31 37 620 FAO S25W03
1999/08/01 33 600 FAO S25W16
1999/08/02 43 540 FKI S25W29
1999/08/03 27 490 FKI S25W44
1999/08/04 36 570 FKI S25W55
1999/08/05 18 360 FAO S26W66
1999/08/06 9 230 DAO S28W78
1999/08/07 3 110 HSX S28W92
CM
166

The top 10 solar flares from sunspot region 8645

Start Maximum End
1M2.711999/08/0515:5516:2316:33
2M2.691999/08/0616:2816:3616:45
3M1.971999/07/2916:2216:5617:17
4M1.531999/07/2315:5416:0116:13
5M1.461999/07/2504:1404:3204:38
6M1.111999/07/2817:5418:1218:35
7C9.071999/08/0211:4811:5211:59
8C7.531999/07/2500:5701:0301:05
9C6.761999/08/0115:3515:3915:44
10C6.061999/08/0411:5612:0112:08
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Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024166 -0.4
Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
32012-108G2
41989-105
51979-90G1
*since 1994

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