Sunspot region AR8488

Number of
sunspots
Size Class Magn. Class Spot Location
1999/03/15 4 20 CSO S27E37
1999/03/16 3 0 BXO S26E22
1999/03/17 3 20 CSO S26E09
1999/03/18 8 40 CSO S26W04
1999/03/19 18 110 DSO S26W17
1999/03/20 14 90 DAO S27W30
1999/03/21 6 30 CSO S26W44
1999/03/22 2 10 AXX S26W58
1999/03/23 2 0 AXX S26W72

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Space weather facts

Last X-flare2026/01/18X1.9
Last M-flare2026/01/21M3.4
Last geomagnetic storm2026/01/28Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
January 2026119 -5
Last 30 days119 +0.7

This day in history*

Solar flares
12025M6.76
22002M5.2
32025M1.8
42014M1.67
52025M1.09
DstG
11993-85G2
21982-81G2
31963-75G2
41977-69G1
51978-64
*since 1994

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