Viewing archive of Tuesday, 15 March 2011 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxCM
47 -40B3.561

Sunspot regions

Region 11166

Number of
sunspots
Size Class Magn. Class Spot Location
9 -5 450 -190 DAO N09W78

Solar flares on this day

C2.1

Region 11169

Number of
sunspots
Size Class Magn. Class Spot Location
8 -9 360 70 DAO N18W47

Solar flares on this day

M1.0 B8.9 B7.5 C1.4 C1.5 C2.6 C1.1 B5.6 C2.9 B5.6 B5.3 B6.1

Region 11172

Number of
sunspots
Size Class Magn. Class Spot Location
4 1 10 -10 BXO N14E30

Solar flares on this day

B6.9

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Last X-flare:2017/09/10X8.2
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Last geomagnetic storm:2019/01/05Kp5 (G1)
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Current stretch spotless days:11

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