Sunspot region AR8729

Number of
sunspots
Size Class Magn. Class Spot Location
1999/10/10 8 40 CRO N11E67
1999/10/11 14 60 BXO N12E58
1999/10/12 14 30 BXO N12E44
1999/10/13 16 90 FAO N12E30
1999/10/14 30 110 CRO N11E17
1999/10/15 15 30 CAO N12E03
1999/10/16 8 20 CAO N12W12
1999/10/17 9 20 BXO N13W25
1999/10/18 3 10 BXO N14W41
1999/10/19 1 0 AXX N16W49

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Space weather facts

Last X-flare2024/03/28X1.1
Last M-flare2024/04/29M3.6
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days139 +32.6

This day in history*

Solar flares
11998M9.27
22024M3.6
32024M2.5
41999M1.7
52003M1.69
ApG
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*since 1994

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