Sunspot region AR12327

Number of
sunspots
Size Class Magn. Class Spot Location
2015/04/18 3 140 CSO S10E70
2015/04/19 2 140 CSO S09E57
2015/04/20 5 140 CSO S09E44
2015/04/21 4 110 CSO S09E30
2015/04/22 3 90 HSX S10E17
2015/04/23 3 90 HSX S10E03
2015/04/24 1 90 HSX S08W10
2015/04/25 1 90 HSX S09W24
2015/04/26 2 80 HSX S10W37
2015/04/27 3 60 CSO S08W49
2015/04/28 2 40 CSO S08W63
2015/04/29 1 20 HSX S07W77
2015/04/30 1 20 HSX S07W77
2015/05/01 2 20 HSX S08W0*
BC
22

The top 4 solar flares from sunspot region 12327

Start Maximum End
1C3.252015/04/2207:0407:1107:18
2C1.392015/04/2916:2016:3416:52
3B9.082015/04/2617:4617:5117:56
4B8.852015/04/2613:1013:1413:21

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Space weather facts

Last X-flare2026/03/30X1.5
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
April 2026130 +51.8
Last 30 days91.6 +20.3

This day in history*

Solar flares
12001X28.5
22001X2.01
32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
21973-173G3
32001-101G1
41976-101G1
51994-96G3
*since 1994

Aurora on this day in history

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