Sunspot region AR11713

Number of
sunspots
Size Class Magn. Class Spot Location
2013/04/02 8 60 CAO N08E22
2013/04/03 6 30 CRO N10E08
2013/04/04 17 30 CRO N09W06
2013/04/05 19 70 DAI N10W19
2013/04/06 16 130 DAI N10W33
2013/04/07 13 120 DAI N11W47
2013/04/08 16 190 CSO N09W61
2013/04/09 16 180 DAO N09W74
2013/04/10 7 180 DAI N08W88
2013/04/11 7 180 DAI N08W0*
BC
311

The top 10 solar flares from sunspot region 11713

Start Maximum End
1C6.072013/04/1019:0219:1919:41
2C5.622013/04/1023:3023:3823:48
3C3.122013/04/0900:1400:2100:30
4C2.312013/04/0716:4916:5817:09
5C2.192013/04/0823:4523:4823:51
6C1.782013/04/0409:4909:5710:03
7C1.472013/04/1011:5311:5611:58
8C1.352013/04/0215:1015:1515:19
9C1.342013/04/0317:0917:1717:26
10C1.272013/04/0803:5604:0204:25

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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/04M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026121 +35.1
Last 30 days101.1 +44.7

This day in history*

Solar flares
12000M2.97
22023M2.9
32000M2.66
42015M2.06
51999M1.66
DstG
11995-102G1
21984-99G2
32000-87
41959-71G1
51960-64
*since 1994

Aurora on this day in history

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