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Sunspot region AR12275

Number of
sunspots		 Size Class Magn. Class Spot Location
2015/01/27 3 10 CSO S16W14
2015/01/28 11 90 DAI S17W26
2015/01/29 11 200 DAI S17W40
2015/01/30 10 140 DAO S17W53
2015/01/31 7 140 DAO S17W67
2015/02/01 5 80 DAO S17W80
2015/02/02 2 60 CAO S17W94
2015/02/03 2 60 CAO S17W0*
C
2

The top 2 solar flares from sunspot region 12275

Start Maximum End
1C2.612015/02/0108:4108:4608:51
2C2.322015/01/3116:3516:4116:50
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Space weather facts

Last X-flare2026/02/04X4.21
Last M-flare2026/03/28M1.3
Last geomagnetic storm2026/03/25Kp5+ (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
March 202685.2 +7
Last 30 days85.2 +8.6

This day in history*

Solar flares
12001X2.45
22014X1.45
32023X1.2
42024M3.2
52001M3.13
DstG
11959-154G3
21979-129G3
31989-125G3
41957-121G4
51984-86G2
*since 1994

Aurora on this day in history

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