Viewing archive of Friday, 24 September 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
751 1B1.21C2.991

Sunspot regions

Region 12871

Number of
sunspots
Size Class Magn. Class Spot Location
8 -3 140 -70 DAO S25E01
HMIIF
HMIBC

Solar flares on this day

B1.8 B1.7 B2.2 C3.0 B3.0 B2.1 B4.0 B5.4 B4.4 B2.5 B3.4 B3.2 B1.8

Region 12872

Number of
sunspots
Size Class Magn. Class Spot Location
10 -5 80 -40 CAO N17W12
HMIIF
HMIBC

Solar flares on this day

B1.8 B1.9

Region 12873

Number of
sunspots
Size Class Magn. Class Spot Location
2 -4 10 BXO N25W61
HMIIF
HMIBC

Region 12875

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 10 BXO S33W60
HMIIF
HMIBC

Solar flares on this day

B2.4

Region 12876

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 BXO S22E04
HMIIF
HMIBC

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

Anchorage, AK
The direction of the interplanetary magnetic field is slightly South (-6.75nT).

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Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.5
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Spotless days
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Monthly mean Sunspot Number
February 2025154.6 +17.6
April 2025152.5 -2.1
Last 30 days130.7 -17.9

This day in history*

Solar flares
12001X1.77
22017M8.35
31999M6.2
42001M3.57
52017M1.81
DstG
11979-168G4
21960-151G3
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*since 1994

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