Viewing archive of Monday, 17 April 2023 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
162 71C1.3C7.097

Sunspot regions

Region 13272

Number of
sunspots
Size Class Magn. Class Spot Location
4 -2 10 -20 BXO S22W68
HMIIF
HMIBC

Region 13273

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX N08W82
HMIIF
HMIBC

Region 13275

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 -10 AXX N19W30
HMIIF
HMIBC

Region 13276

Number of
sunspots
Size Class Magn. Class Spot Location
4 -1 10 -10 AXX S23W19
HMIIF
HMIBC

Region 13279

Number of
sunspots
Size Class Magn. Class Spot Location
15 5 80 -100 FAO S20W02
HMIIF
HMIBC

Solar flares on this day

C2.1

Region 13280

Number of
sunspots
Size Class Magn. Class Spot Location
3 -5 160 -40 CSO S07W84
HMIIF
HMIBC

Solar flares on this day

C4.1 C2.3

Region 13281

Number of
sunspots
Size Class Magn. Class Spot Location
16 4 160 -140 EKI S24E19
HMIIF
HMIBC

Solar flares on this day

C2.2 C7.0

Region 13282

Number of
sunspots
Size Class Magn. Class Spot Location
21 4 390 -140 EKI N11E11
HMIIF
HMIBC

Solar flares on this day

C2.2 C6.8

Region 13283

Number of
sunspots
Size Class Magn. Class Spot Location
6 1 40 -10 CRO S22E35
HMIIF
HMIBC

Region 13284

Number of
sunspots
Size Class Magn. Class Spot Location
2 30 CAO S08E71
HMIIF
HMIBC

All times in UTC

<< 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!

SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/12/08X2.2
Last M-flare2024/12/22M1.0
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024103.3 -49.2
Last 30 days115.4 -40.8

This day in history*

Solar flares
11999M7.71
22013M4.82
32023M3.33
42013M2.8
51999M2.61
DstG
11982-101G3
22014-71G1
32001-59
41987-59
51989-58G1
*since 1994

Social networks