Viewing archive of Tuesday, 15 January 2013 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
120 -80B6.71C3.168

Sunspot regions

Region 11649

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 30 -30 HAX S15W62

Region 11650

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 50 -10 HAX S30W52

Solar flares on this day

C1.57 C1.52

Region 11652

Number of
sunspots
Size Class Magn. Class Spot Location
5 -11 160 -50 HAX N18W44

Region 11654

Number of
sunspots
Size Class Magn. Class Spot Location
49 18 920 -30 FKC N08W05

Solar flares on this day

C3.15 C1.77 C2.67

Region 11656

Number of
sunspots
Size Class Magn. Class Spot Location
4 -3 10 -20 BXO N23E15

Region 11658

Number of
sunspots
Size Class Magn. Class Spot Location
7 1 90 -10 CSO S11E51

All times in UTC

<< Go to daily overview page

G2 - Moderate geomagnetic storm

Observed Kp: 6
Threshold reached: 18:45 UTC

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

Arkhangelsk

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

Petrozavodsk, Surgut, Syktyvkar

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

Riga
Perm, Saint Petersburg, Yaroslavl
The strength of the interplanetary magnetic field is moderate (16.06nT), the direction is moderately South (-13.45nT).
The Disturbance Storm Time index predicts strong storm conditions right now (-143nT)

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Latest alerts

19:00 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 18:38 UTC

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18:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 18:28 UTC

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17:00 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 16:34 UTC

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15:30 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 15:20 UTC

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14:30 UTC - Geomagnetic activity

Strong G3 geomagnetic storm (Kp7) Threshold Reached: 14:18 UTC

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/15M1.2
Last geomagnetic storm2025/04/15Kp6+ (G2)
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Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025124.1 -10.1
Last 30 days124.7 -16.6

This day in history*

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