Viewing archive of Friday, 23 September 2011 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
90 40 -2C1.86M2.8475

Sunspot regions

Region 11295

Number of
sunspots
Size Class Magn. Class Spot Location
19 -7 350 -30 EKC N22W62

Solar flares on this day

M2.3 C3.96 C9.91 C3.27 M1.39 M2.37

Region 11296

Number of
sunspots
Size Class Magn. Class Spot Location
1 -3 10 -10 AXX N26W44

Solar flares on this day

C4.61

Region 11299

Number of
sunspots
Size Class Magn. Class Spot Location
2 -2 10 -10 BXO S19W64

Region 11301

Number of
sunspots
Size Class Magn. Class Spot Location
12 2 120 -90 ESO N19E29

Region 11302

Number of
sunspots
Size Class Magn. Class Spot Location
2 480 EKI N11E74

Solar flares on this day

C3.12 C4.93 M2.85

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

Iqaluit, NU
Nuuk
Oulu, Rovaniemi, Sodankylä, Utsjoki
Reykjavik
Kirkenes, Tromsø
Murmansk
Kiruna, Luleå

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Last X-flare2025/01/04X1.85
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Last geomagnetic storm2025/02/19Kp5 (G1)
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Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2025137 -17.5
February 2025152.1 +15.1
Last 30 days149.4 -13.7

This day in history*

Solar flares
12024X1.9
22002M5.62
32023M5.0
42023M4.7
52025M3.3
DstG
11992-171G3
21994-135G4
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*since 1994

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