Viewing archive of Thursday, 18 May 2023 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
121 151 -1C1.55M4.575

Sunspot regions

Region 13301

Number of
sunspots
Size Class Magn. Class Spot Location
3 -1 5 -5 AXX N14W50
HMIIF
HMIBC

Region 13302

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 -20 HSX N18W46
HMIIF
HMIBC

Region 13305

Number of
sunspots
Size Class Magn. Class Spot Location
12 -7 100 -10 DSI N12W43
HMIIF
HMIBC

Region 13307

Number of
sunspots
Size Class Magn. Class Spot Location
5 4 10 BXO S08W07
HMIIF
HMIBC

Region 13308

Number of
sunspots
Size Class Magn. Class Spot Location
8 4 60 40 CAO N12W28
HMIIF
HMIBC

Region 13309

Number of
sunspots
Size Class Magn. Class Spot Location
1 -3 10 -10 AXX S19W64
HMIIF
HMIBC

Region 13310

Number of
sunspots
Size Class Magn. Class Spot Location
5 2 250 DHO S20E60
HMIIF
HMIBC

Region 13311

Number of
sunspots
Size Class Magn. Class Spot Location
6 110 DAO N18E75
HMIIF
HMIBC

Solar flares on this day

M1.0 M1.2 C5.2 C9.5 C4.2 C5.2 M2.2 M1.9 M1.6 C4.0 C2.5 M1.1 M3.8 M4.5

All times in UTC

<< Go to daily overview page

The strength of the interplanetary magnetic field is moderate (14.89nT), the direction is North (8.7nT).
The Disturbance Storm Time index predicts moderate storm conditions right now (-98nT)

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!

Donate SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Wednesday, 16 April 2025
21:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 21:36 UTC

alert


21:00 UTC - Geomagnetic activity

Severe G4 geomagnetic storm (Kp8) Threshold Reached: 20:55 UTC

alert


19:45 UTC - Geomagnetic activity

Strong G3 geomagnetic storm (Kp7) Threshold Reached: 19:25 UTC

alert


19:00 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 18:38 UTC

alert


18:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 18:28 UTC

alert


Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/15M1.2
Last geomagnetic storm2025/04/15Kp6+ (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025124.1 -10.1
Last 30 days122.5 -17.8

This day in history*

Solar flares
12022X1.1
22022M4.4
32002M3.79
42001M1.97
52022M1.89
DstG
11994-201G4
21990-113G2
32002-98G3
41999-91G3
52015-79G1
*since 1994

Social networks