Viewing archive of Saturday, 17 September 2011 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum fluxC
138 -350 -1B8.2C2.552

Sunspot regions

Region 11289

Number of
sunspots
Size Class Magn. Class Spot Location
5 310 10 CKO N22W51

Region 11290

Number of
sunspots
Size Class Magn. Class Spot Location
3 1 10 BXO S13W69

Solar flares on this day

C1.4

Region 11291

Number of
sunspots
Size Class Magn. Class Spot Location
3 90 40 DAO N24W82

Region 11292

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 HRX N09W04

Region 11293

Number of
sunspots
Size Class Magn. Class Spot Location
2 -3 10 -40 BXO N17W65

Region 11294

Number of
sunspots
Size Class Magn. Class Spot Location
1 -6 20 CRO S16W31

Region 11295

Number of
sunspots
Size Class Magn. Class Spot Location
23 7 240 110 DAI N22E17

Region 11296

Number of
sunspots
Size Class Magn. Class Spot Location
8 130 DAO N26E31

Region 11297

Number of
sunspots
Size Class Magn. Class Spot Location
2 -2 60 10 DAO S18W77

Region 11298

Number of
sunspots
Size Class Magn. Class Spot Location
7 2 70 30 DSO N15E23

Region 11299

Number of
sunspots
Size Class Magn. Class Spot Location
8 30 CRO S21E11

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

100%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:241
Current stretch spotless days:15

This day in history*

Solar flares
11999M7.4
22003M4.2
32001M2.8
42002M2.0
52003M1.2
ApG
1200339G1
2200113
3199613
4199912
5201410
*since 1994

Social networks