Viewing archive of Sunday, 15 March 2015 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxCM
54 -20B4.672

Sunspot regions

Region 12297

Number of
sunspots
Size Class Magn. Class Spot Location
21 -2 320 -100 EKC S17W25

Solar flares on this day

C2.4 C9.1 B9.3 M1.0 C1.3 C6.8 C2.4 C1.2 C1.0

Region 12299

Number of
sunspots
Size Class Magn. Class Spot Location
1 -3 10 AXX S05E32

Region 12301

Number of
sunspots
Size Class Magn. Class Spot Location
4 20 CRO S16W00

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/03/17Kp5 (G1)
Number of spotless days in 2019:62
Last spotless day:2019/04/06

This day in history*

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*since 1994

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