Sunspot region AR12712

Number of
sunspots
Size Class Magn. Class Spot Location
2018/05/26 7 40 CAO N14E56
2018/05/27 3 40 CAO N15E43
2018/05/28 5 40 CRO N15E28
2018/05/29 10 80 CSI N15E18
2018/05/30 12 70 CSI N16E05
2018/05/31 8 30 CRO N14W09
2018/06/01 11 50 DRO N16W23
2018/06/02 12 60 DRO N16W36
2018/06/03 10 30 CRO N15W48
2018/06/04 6 10 BXO N14W63
2018/06/05 1 10 AXX N14W77
BC
364

The top 10 solar flares from sunspot region 12712

Start Maximum End
1C3.932018/05/2817:0417:1017:12
2C1.432018/06/0610:4411:0011:06
3C1.132018/06/0307:5307:5607:58
4C1.012018/05/2816:2916:3616:39
5B7.072018/05/3100:5901:0801:21
6B4.052018/06/0106:0506:1006:16
7B4.042018/06/0218:2218:4118:46
8B3.92018/05/3122:5623:0223:07
9B3.812018/05/2900:3600:4000:47
10B3.692018/05/3110:4010:5811:07

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Space weather facts

Last X-flare2026/04/24X2.5
Last M-flare2026/04/28M1.11
Last geomagnetic storm2026/04/20Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (2%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
April 202679.3 -6.6
May 2026145.5 +66.2
Last 30 days91 -4.3

This day in history*

Solar flares
12024X1.6
22022X1.1
32013M8.19
42023M7.2
51999M6.41
DstG
11967-123G3
21978-114G3
31976-107G4
41994-79G2
51977-77G1
*since 1994

Aurora on this day in history

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