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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The maximum X-ray flux of the past two hours is:
C7.56

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Spotless days
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Monthly mean Sunspot Number
January 2025137 -17.5
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This day in history*

Solar flares
12024X6.37
22024X1.70
32002M6.4
42024M4.8
52023M2.6
DstG
11994-144G4
21988-130G3
31973-107G2
41979-97G1
51992-97G1
*since 1994

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