Viewing archive of Tuesday, 21 June 2011 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxM
57 140 -2B3M1.111

Sunspot regions

Region 11236

Number of
sunspots
Size Class Magn. Class Spot Location
7 -4 230 30 ESI N17W07

Solar flares on this day

M1.11

Region 11239

Number of
sunspots
Size Class Magn. Class Spot Location
5 10 BXO N18E13

Region 11240

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S17E42

All times in UTC

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G2 - Moderate geomagnetic storm

Observed Kp: 6
Threshold reached: 20:16 UTC

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

Oulu, Rovaniemi, Sodankylä, Utsjoki
Kirkenes, Tromsø
Murmansk, Vorkuta
Kiruna, Luleå
The solar wind speed is currently moderately high (576.3 km/sec.)
The strength of the interplanetary magnetic field is moderate (17.49nT), the direction is North (4.03nT).
The Disturbance Storm Time index predicts moderate storm conditions right now (-77nT)
The maximum X-ray flux of the past two hours is:
C7.01

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Latest alerts

20:30 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 20:08 UTC

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20:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:00 UTC

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18:00 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 17:00 UTC

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17:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 16:28 UTC

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14:15 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 13:58 UTC

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Last X-flare2025/02/23X2.0
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Monthly mean Sunspot Number
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Last 30 days133.7 -19.9

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