Sunspot region AR8731

Number of
sunspots
Size Class Magn. Class Spot Location
1999/10/12 6 120 EAO N10E62
1999/10/13 14 340 EKO N11E51
1999/10/14 38 620 EKO N11E37
1999/10/15 45 790 EKC N19E24
1999/10/16 27 850 FKC N12E10
1999/10/17 62 1000 FKC N12W03
1999/10/18 54 1220 FKC N13W19
1999/10/19 35 980 FKC N19W27
1999/10/20 63 640 FKC N13W44
1999/10/21 45 440 EKI N14W55
1999/10/22 28 320 EAI N12W67
1999/10/23 12 160 ESI N12W79
CMX
911

The top 10 solar flares from sunspot region 8731

Start Maximum End
1X2.631999/10/1408:5409:0009:03
2M1.061999/10/1500:5801:1501:31
3C8.211999/10/1402:2802:3802:50
4C6.11999/10/1403:1903:2403:30
5C5.371999/10/1512:1812:2712:39
6C4.361999/10/1521:3221:3821:41
7C3.961999/10/1817:3317:3917:45
8C3.871999/10/1422:2722:3122:34
9C3.661999/10/1522:2622:3122:35
10C2.661999/10/1207:4508:5409:52
The strength of the interplanetary magnetic field is moderate (14.53nT), the direction is North (11.28nT).
The maximum X-ray flux of the past two hours is:
C5.84

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Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/01/31M6.6
Last geomagnetic storm2025/01/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2024154.5 +2
January 2025145.3 -9.2
Last 30 days145.3 +10

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