Viewing archive of Wednesday, 31 July 2013 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
94 -111B4.86C2.231

Sunspot regions

Region 11800

Number of
sunspots
Size Class Magn. Class Spot Location
1 -4 30 -140 HSX S07W95
HMIIF
HMIBC

Region 11801

Number of
sunspots
Size Class Magn. Class Spot Location
1 60 -20 HSX N19W23
HMIIF
HMIBC

Region 11805

Number of
sunspots
Size Class Magn. Class Spot Location
9 -1 150 20 DAO S07W71
HMIIF
HMIBC

Region 11806

Number of
sunspots
Size Class Magn. Class Spot Location
11 1 60 -20 CAO S15E20
HMIIF
HMIBC

Region 11807

Number of
sunspots
Size Class Magn. Class Spot Location
6 -2 50 20 CAO N28W31
HMIIF
HMIBC

Region 11808

Number of
sunspots
Size Class Magn. Class Spot Location
6 3 80 70 DSO N15E41
HMIIF
HMIBC

Region 11809

Number of
sunspots
Size Class Magn. Class Spot Location
1 60 HSX N14E79
HMIIF
HMIBC

Solar flares on this day

C2.17

All times in UTC

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!

No Ads on SWL Pro!
No Ads on SWL Pro! Subscriptions
Donations
Support SpaceWeatherLive.com! Donate
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2026/02/02X1.6
Last M-flare2026/02/02M2.5
Last geomagnetic storm2026/01/28Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
February 2026114 -10
Last 30 days118.1 +6.2

This day in history*

Solar flares
12025M8.88
22025M6.1
32025M4.32
42001M3.53
52025M3.1
DstG
11992-170G4
21969-161G2
31982-82G1
41989-74G2
52022-66G1
*since 1994

Social networks