Region 9991

Number of
sunspots
Size Class Magn. Class Spot Location
2002/06/08 1 300 HKX S22E69
2002/06/09 1 250 HHX S21E57
2002/06/10 1 270 HKX S22E43
2002/06/11 1 270 HHX S22E30
2002/06/12 6 290 DHO S22E17
2002/06/13 10 340 DHO S22E04
2002/06/14 7 310 CHO S20W09
2002/06/15 4 350 CKO S21W21
2002/06/16 3 290 CHO S21W34
2002/06/17 2 270 HKX S21W47
2002/06/18 2 330 CKO S22W61
2002/06/19 1 250 HHX S21W72
2002/06/20 4 220 CHO S22W85
BC
23

The top 5 solar flares from sunspot region 9991

Start Maximum End
1C1.52002/06/1221:1421:1921:22
2C1.42002/06/1719:5420:1620:26
3C1.22002/06/1621:1221:2421:28
4B6.72002/06/1307:0707:1507:17
5B6.72002/06/1616:4216:5417:02

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:189
Current stretch spotless days:19

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*since 1994

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