Viewing archive of Saturday, 16 October 2010 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxM
48 -30 -1B1.37M4.251

Sunspot regions

Region 11112

Number of
sunspots
Size Class Magn. Class Spot Location
7 5 70 50 DRO S19W15

Solar flares on this day

B3.29 B9.94 M4.24

Region 11113

Number of
sunspots
Size Class Magn. Class Spot Location
1 130 30 HSX N17E50

Region 11114

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 10 10 BXO S21W55

Region 11115

Number of
sunspots
Size Class Magn. Class Spot Location
1 170 HSX S28E63

All times in UTC

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Last X-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
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 2026107.7 +21.8
Last 30 days100 +44.8

This day in history*

Solar flares
12013M9.34
22024M5.47
32001M3.41
42000M1.63
52000M1.5
DstG
12001-271G4
21990-190G3
31978-114G4
41982-110G2
51959-88G1
*since 1994

Aurora on this day in history

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