Viewing archive of Monday, 13 May 2013 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCMX
144 -291C1.57X4.09832

Sunspot regions

Region 11734

Number of
sunspots
Size Class Magn. Class Spot Location
2 310 HKX S19W0*
HMIIF
HMIBC

Region 11738

Number of
sunspots
Size Class Magn. Class Spot Location
4 10 BXO N17W59
HMIIF
HMIBC

Region 11739

Number of
sunspots
Size Class Magn. Class Spot Location
1 0 AXX N11W53
HMIIF
HMIBC

Region 11740

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S21W39
HMIIF
HMIBC

Region 11741

Number of
sunspots
Size Class Magn. Class Spot Location
9 30 CAO S23W18
HMIIF
HMIBC

Region 11742

Number of
sunspots
Size Class Magn. Class Spot Location
5 50 CAO N30E10
HMIIF
HMIBC

Region 11743

Number of
sunspots
Size Class Magn. Class Spot Location
10 110 DAO N24E15
HMIIF
HMIBC

Region 11744

Number of
sunspots
Size Class Magn. Class Spot Location
13 190 DAI N05E28
HMIIF
HMIBC

Region 11745

Number of
sunspots
Size Class Magn. Class Spot Location
15 600 EKC N14E51
HMIIF
HMIBC

Solar flares on this day

C6.48 M1.19

Region 11746

Number of
sunspots
Size Class Magn. Class Spot Location
11 270 DHI S27E50
HMIIF
HMIBC

Region 11747

Number of
sunspots
Size Class Magn. Class Spot Location
4 10 BXO S18E48
HMIIF
HMIBC

All times in UTC

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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/04M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026118.8 +32.8
Last 30 days102.1 +47

This day in history*

Solar flares
12001X1.14
22000M4.54
32003M3.68
42002M3.12
52002M1.68
DstG
11984-100G3
21971-97G2
32006-82G2
41959-73G2
51995-68G1
*since 1994

Aurora on this day in history

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