Sunspot region AR12794

Number of
sunspots
Size Class Magn. Class Spot Location
2020/12/20 1 120 HSX S17E78
2020/12/21 1 170 HSX S17E64
2020/12/22 1 170 HSX S16E54
2020/12/23 1 180 HSX S16E39
2020/12/24 1 150 HSX S17E27
2020/12/25 1 220 HSX S16E14
2020/12/26 1 210 HSX S16E01
2020/12/27 1 210 HSX S16W12
2020/12/28 1 180 HSX S16W26
2020/12/29 1 180 HSX S17W38
2020/12/30 1 170 HSX S15W51
2020/12/31 1 180 HSX S16W64
2021/01/01 1 180 HSX S16W80
2021/01/02 1 120 HSX S16W93
2021/01/03 1 120 HSX S16W0*
B
3

The top 3 solar flares from sunspot region 12794

Start Maximum End
1B2.42020/12/2504:3004:5005:13
2B2.42020/12/3010:0210:1510:23
3B2.12020/12/3010:2910:3410:36

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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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