Viewing archive of Monday, 25 February 2002 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
237 462C1.71M1.47131

Sunspot regions

Region 9830

Number of
sunspots
Size Class Magn. Class Spot Location
20 -14 650 170 FKC S17W64

Solar flares on this day

C3.47 C4.81 C4.59 C5.64 C2.94

Region 9837

Number of
sunspots
Size Class Magn. Class Spot Location
8 80 DAO N10E18

Region 9839

Number of
sunspots
Size Class Magn. Class Spot Location
14 8 80 50 DAI S17W35

Region 9840

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 20 -20 HSX S11E33

Region 9841

Number of
sunspots
Size Class Magn. Class Spot Location
7 -2 70 DAO S20W47

Region 9842

Number of
sunspots
Size Class Magn. Class Spot Location
5 3 20 10 CSO S19W23

Region 9843

Number of
sunspots
Size Class Magn. Class Spot Location
2 -2 20 -30 CRO S25E33

Region 9844

Number of
sunspots
Size Class Magn. Class Spot Location
10 6 100 60 DSO N22E18

Region 9845

Number of
sunspots
Size Class Magn. Class Spot Location
2 60 -20 HAX N15E58

Region 9846

Number of
sunspots
Size Class Magn. Class Spot Location
5 20 DAO S04W37

Solar flares on this day

C3.16 C5.14 C3.9 C4.42 C3.33 C4.39

Region 9847

Number of
sunspots
Size Class Magn. Class Spot Location
7 50 CSO S14E50

All times in UTC

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Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Fairbanks, AK
The maximum X-ray flux of the past two hours is:
M1.52

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Latest alerts

10:39 UTC - Solar flare

Moderate M1.52 flare from sunspot region 4055

alert


10:24 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.52)


Monday, 14 April 2025
23:15 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 23:01 UTC

alert


07:09 UTC - Solar flare

Moderate M4.28 flare from sunspot region 4055

alert


06:48 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.53)


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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/14M4.2
Last geomagnetic storm2025/04/06Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025128.8 -5.4
Last 30 days129.1 -15.1

This day in history*

Solar flares
12001X20.6
22000M6.14
32002M5.32
42024M4.02
52000M3.24
DstG
11971-143G3
21961-118G4
31989-95G1
41990-80G1
51973-71
*since 1994

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