Viewing archive of Sunday, 26 December 2021 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
95 -331B6.76C3.297

Sunspot regions

Region 12812

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S11W27
HMIIF
HMIBC

Region 12912

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 -10 AXX S13W27
HMIIF
HMIBC

Region 12916

Number of
sunspots
Size Class Magn. Class Spot Location
17 -4 430 -20 EKC S18E14
HMIIF
HMIBC

Solar flares on this day

B9.6 B9.9

Region 12918

Number of
sunspots
Size Class Magn. Class Spot Location
17 260 -20 DKI N19W03
HMIIF
HMIBC

Solar flares on this day

C1.8 C2.0

Region 12919

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 HRX S11E45
HMIIF
HMIBC

Region 12920

Number of
sunspots
Size Class Magn. Class Spot Location
9 30 CRO S17W31
HMIIF
HMIBC

Solar flares on this day

C1.4

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

Whitehorse, YT
Anchorage, AK, Fairbanks, AK, Juneau, AK, Utqiagvik, AK
The strength of the interplanetary magnetic field is moderate (11.85nT), the direction is North (1.14nT).
The maximum X-ray flux of the past two hours is:
M1.26

S1 - Minor solar radiation storm

Minor impacts on HF radio through polar regions

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Latest alerts

11:15 UTC - Solar protons

Minor S1 Solar Radiation Storm - Minor impacts on HF radio through polar regions


10:45 UTC - Solar flare

Moderate M1.26 flare

alert


10:27 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.22)


00:09 UTC - Solar flare

Moderate M1.03 flare

alert


Sunday, 30 March 2025
23:51 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.03)


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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/03/30M1.0
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025127 -27.6
Last 30 days127 -25.7

This day in history*

Solar flares
12022M9.67
22000M5.89
32001M3.06
42000M2.9
52000M2.71
DstG
12001-387G4
21960-191G4
31989-100G2
41990-88
52003-78G2
*since 1994

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