Sunspot regions Help

On this page you'll find an overview of all the visible sunspot regions on the Sun together with their properties, images and the chances on solar flares or proton events. This page is updated daily and the sunspot images every hour.

Solar Dynamics Observatory HMI Intensitygram

4043404440454046404740484049
Today's Sun
Sunspot number 147 -4
New regions0 -1
10.7cm Solar Radio Flux182 10
Carrington Rotation2296
Sunspot regions
RegionNumber of
sunspots
Class
Magn.
Class
Spot
404317EAI
40446DSO
40457AXX
40466CHO
40474CRO
404829EKC
40498CSO
Regions due to return
Region Lat.
4022N05
4020N19
4025N10
4021S06
H-alpha plages without spots
Region Location
None

Region 4043

Number of
sunspots
Size Class Magn. Class Spot Location
17 100 EAI N14W43
4043 - HMIIF 4043 - HMIBC

Flare probabilities

C M X Proton
40% 10% 1% 1%

Region 4044

Number of
sunspots
Size Class Magn. Class Spot Location
6 40 DSO N20W20
4044 - HMIIF 4044 - HMIBC

Flare probabilities

C M X Proton
25% 5% 1% 1%

Region 4045

Number of
sunspots
Size Class Magn. Class Spot Location
7 10 AXX S14E08
4045 - HMIIF 4045 - HMIBC

Flare probabilities

C M X Proton
5% 1% 1% 1%

Solar flares from today

C2.0

Region 4046

Number of
sunspots
Size Class Magn. Class Spot Location
6 250 CHO N05E15
4046 - HMIIF 4046 - HMIBC

Flare probabilities

C M X Proton
60% 20% 5% 5%

Region 4047

Number of
sunspots
Size Class Magn. Class Spot Location
4 50 CRO S15W66
4047 - HMIIF 4047 - HMIBC

Flare probabilities

C M X Proton
25% 5% 1% 1%

Region 4048

Number of
sunspots
Size Class Magn. Class Spot Location
29 450 EKC S16E32
4048 - HMIIF 4048 - HMIBC

Flare probabilities

C M X Proton
99% 70% 20% 20%

Region 4049

Number of
sunspots
Size Class Magn. Class Spot Location
8 50 CSO S31E12
4049 - HMIIF 4049 - HMIBC

Flare probabilities

C M X Proton
15% 1% 1% 1%

Solar flares from today

C2.3

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.4
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
April 2025147 -7.6
Last 30 days128.8 -21.8

This day in history*

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*since 1994

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