Viewing archive of Saturday, 15 November 1997 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
35 -130B2.86M1.4321

Sunspot regions

Region 8106

Number of
sunspots
Size Class Magn. Class Spot Location
1 -4 20 -40 HRX N28W84

Solar flares on this day

B5.09

Region 8107

Number of
sunspots
Size Class Magn. Class Spot Location
8 4 40 10 CAO S24W40

Region 8108

Number of
sunspots
Size Class Magn. Class Spot Location
9 7 290 200 EAO N19E67

Solar flares on this day

C2.97 M1.43

All times in UTC

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Active geomagnetic conditions

Observed Kp: 4
Threshold reached: 17:46 UTC

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

Vorkuta

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

Arkhangelsk

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

Petrozavodsk, Surgut, Syktyvkar
The Disturbance Storm Time index predicts moderate storm conditions right now (-52nT)
The maximum X-ray flux of the past two hours is:
C7.08

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Latest alerts

18:00 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 17:46 UTC

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15:30 UTC - Solar flare

Moderate M1.36 flare

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15:15 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.36)


13:00 UTC - Solar flare

Moderate M2.36 flare

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12:39 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.18)


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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/12M2.3
Last geomagnetic storm2025/04/06Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025139.5 +5.3
Last 30 days136.6 -3.5

This day in history*

Solar flares
12001X2.9
22002M5.79
32013M4.79
42025M2.6
52025M2.3
DstG
12001-236G3
21990-174G4
31981-163G3
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*since 1994

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