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Sunspot regions

Solar Dynamics Observatory HMI Continuum
Sunspot regions
RegionNumber of
sunspots		Class
Magn. 		Class
Spot
39596CKO
396150EKC
39628CAO
39646DAI
39656CAO
396712EAI
39699DRI
39706BXI
39712AXX
More data
What are sunspots? The magnetic classification of sunspots The classification of sunspots after Malde
Today's Sun
Sunspot number 277 134
New regions2
10.7cm Solar Radio Flux225 -5
Carrington Rotation2293

Solar flares

SDO AIA 131
Solar activity past two hours
Current value
2h max
24h max
More data Help
Flare probability
C-class solar flare 99%
M-class solar flare 60%
X-class solar flare 15%

Coronal holes

SDO AIA 193
More data Help

Coronal mass ejections

SOHO LASCO C2
Latest CMEs SOHO STEREO
What is a Coronal Mass Ejection (CME)? How do we know if a CME is Earth directed and when it's going to arrive?

Solar protons

Info Help

Far side

GONG Calibrated Farside Map
© NSO/GONG
STEREO
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01/21/2025 AR 3967 M3.3 CME 1AR 3967 32Filaments and prominences 615AR 13961 89The Terminator Theory and Implications for growth of Cycle 25 62
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Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/01/21M3.3
Last geomagnetic storm2025/01/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2024154.5 +2
January 2025140 -14.6
Last 30 days160.2 +42.7

This day in history*

Solar flares
12025M3.3
22003M2.86
32005M2.56
42000M2.06
52005M1.82
DstG
11957-250G4
21989-107G1
32005-89G4
41972-79G2
51986-76G2
*since 1994

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