Sunspot region AR12178

Number of
sunspots
Size Class Magn. Class Spot Location
2014/09/29 4 50 CAO S03E60
2014/09/30 3 120 CSO S03E45
2014/10/01 5 120 DAO S03E32
2014/10/02 12 180 DAC S02E19
2014/10/03 12 140 DAI S02E05
2014/10/04 10 160 CAI S01W08
2014/10/05 13 130 CAI S01W23
2014/10/06 4 110 CAO S01W37
2014/10/07 3 100 HAX S01W51
2014/10/08 1 80 HAX S02W64
2014/10/09 1 70 HSX S03W79
2014/10/10 1 60 HAX S01W93
2014/10/11 1 60 HAX S01W0*
CM
41

The top 5 solar flares from sunspot region 12178

Start Maximum End
1M1.432014/09/2708:3208:3708:40
2C2.392014/10/0400:5401:0201:11
3C2.012014/10/0402:1002:2402:40
4C1.982014/10/0410:1610:2110:24
5C1.482014/10/0509:3209:5410:16

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Space weather facts

Last X-flare2026/02/04X4.3
Last M-flare2026/02/12M1.4
Last geomagnetic storm2026/02/05Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2026112.6 -11.4
February 2026125.3 +12.7
Last 30 days130.4 +32.7

This day in history*

Solar flares
12010X1.2
22024M6.5
32014M5.43
42014M3.38
52023M3.1
DstG
11958-151G2
22000-135G3
31969-92
41986-82
51982-78G2
*since 1994

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