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Sunspot region AR13370

Number of
sunspots		 Size Class Magn. Class Spot Location
2023/07/10 4 30 DSO S15E61
2023/07/11 8 50 DAO S14E54
2023/07/12 8 30 DRO S14E33
2023/07/13 5 20 CRO S15E21
2023/07/14 4 10 BXO S15E10
2023/07/15 4 10 BXO S15W06
C
2

The top 2 solar flares from sunspot region 13370

Start Maximum End
1C8.82023/07/1418:2718:4418:58
2C3.62023/07/1419:3419:5020:04
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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/03M1.3
Last geomagnetic storm2026/04/02Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026141 +55.1
Last 30 days95.4 +31.2

This day in history*

Solar flares
12002M8.82
21999M6.76
32001M2.91
42003M2.74
52001M2.31
DstG
11979-202G3
21988-133G3
31984-120G4
42004-117G2
51994-111G3
*since 1994

Aurora on this day in history

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