Viewing archive of Friday, 17 April 2015 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
93 81B7.71C3.766

Sunspot regions

Region 12321

Number of
sunspots
Size Class Magn. Class Spot Location
16 -4 380 -100 EKC N12E02
HMIIF
HMIBC

Region 12322

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 10 BXO N12W25
HMIIF
HMIBC

Region 12323

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 HSX S17W99

Region 12324

Number of
sunspots
Size Class Magn. Class Spot Location
6 -1 300 -130 DKC N18E34
HMIIF
HMIBC

Solar flares on this day

C1.62 C2.18 C1.78

Region 12325

Number of
sunspots
Size Class Magn. Class Spot Location
4 200 CSO N05E44
HMIIF
HMIBC

Solar flares on this day

C3.73 C1.61 C1.39

Region 12326

Number of
sunspots
Size Class Magn. Class Spot Location
7 30 CAO N15E12
HMIIF
HMIBC

<< 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!

54%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/03/28X1.1
Last M-flare2024/04/27M3.0
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days137.7 +30.3

This day in history*

Solar flares
12001M1.01
22024C7.7
32000C7.46
42023C7.1
52023C6.8
ApG
11937128G4
2196960G3
3196084G3
4195664G3
5198561G3
*since 1994

Social networks