Viewing archive of Tuesday, 15 March 2016 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot number New regionsBackground fluxMaximum fluxC
44 -130 -1B2.71C1.493

Sunspot regions

Region 12513

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 -20 HSX N08W83
HMIIF
HMIBC

Region 12519

Number of
sunspots
Size Class Magn. Class Spot Location
1 -4 80 HSX N05E08
HMIIF
HMIBC

Region 12521

Number of
sunspots
Size Class Magn. Class Spot Location
12 5 80 DAO N19W09
HMIIF
HMIBC

Solar flares on this day

C1.86 C1.44 B8.68 C1.19 B6.97

Region 12522

Number of
sunspots
Size Class Magn. Class Spot Location
3 40 CAO N14W56
HMIIF
HMIBC

All times in UTC

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Last X-flare2025/12/01X1.9
Last M-flare2025/12/06M8.1
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025167.7 +75.9
Last 30 days107.1 +13.7

This day in history*

Solar flares
12024M3.2
22006M2.97
32024M2.3
42013M1.82
51999M1.46
DstG
11982-78G2
22022-63G1
31959-60
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*since 1994

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