Sunspot region AR8785

Number of
sunspots
Size Class Magn. Class Spot Location
1999/12/02 1 60 HSX N14E71
1999/12/03 2 160 HAX N14E58
1999/12/04 2 100 HSX N13E43
1999/12/05 2 120 HSX N13E30
1999/12/06 6 130 CSO N13E18
1999/12/07 4 130 CAO N13E05
1999/12/08 2 150 HSX N14W08
1999/12/09 5 150 CSO N14W21
1999/12/10 2 110 CSO N14W35
1999/12/11 1 100 HSX N15W48
1999/12/12 1 90 HAX N16W62
1999/12/13 2 80 CAO N14W73
1999/12/14 1 30 HAX N16W87

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Space weather facts

Last X-flare2026/04/24X2.5
Last M-flare2026/05/07M2.6
Last geomagnetic storm2026/05/05Kp5 (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 2026122.1 +42.8
Last 30 days91.9 -9.4

This day in history*

Solar flares
12024X1.02
22024X1.0
32024X1.0
42024M9.87
52024M8.69
DstG
11960-129G4
22005-110G4
32016-95G2
41993-68G2
51992-64G1
*since 1994

Aurora on this day in history

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