Sunspot region AR8628

Number of
sunspots
Size Class Magn. Class Spot Location
1999/07/10 3 30 CRO N18E52
1999/07/11 7 20 CRO N19E36
1999/07/12 20 170 EAO N18E20
1999/07/13 21 210 DAO N17E04
1999/07/14 22 220 DAO N17W09
1999/07/15 16 150 DAO N18W22
1999/07/16 19 140 EAO N18W35
1999/07/17 14 140 EAO N18W48
1999/07/18 11 100 DAO N19W62
1999/07/19 6 100 DAO N18W76
1999/07/20 2 70 DSO N20W88
C
3

The top 3 solar flares from sunspot region 8628

Start Maximum End
1C2.231999/07/1203:3303:3703:41
2C2.211999/07/1219:4219:4719:56
3C1.741999/07/1105:5906:0306:06

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Last X-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.7 -23.8
Last 30 days155.2 +4.4

This day in history*

Solar flares
12012M5.08
21999M4.93
31999M3.27
42000M2.33
52012M2.11
DstG
12003-309G3
21991-135G3
32002-128G3
41960-111G2
51970-110G2
*since 1994

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