Sunspot regions

Viewing archive of Tuesday, 25 August 2015 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.

Sunspot number	New regions	Background flux	Maximum flux	C
61 -10	0	B7	C6.16	21

Region 12403
Number of sunspots	Size	Class Magn.	Class Spot	Location
47 -19	930 170		FKC	S15W18

Solar flares on this day
C1.05 C1.29 C1.15 C5.22 C1.21 C1.53 C1.17 C6.14 C3.37 C2.5 C3.31 C1.86 C1.33 C1.56 C1.36 C1.83 C3.19 C1.21 C1.27 C3.99

Region 12404
Number of sunspots	Size	Class Magn.	Class Spot	Location
4 -3	20 -10		CRO	N14W31

All times in UTC

Previous rotation Previous day Calendar

Next day Next rotation

<< Go to daily overview page

G3 - Strong geomagnetic storm

Observed Kp: 7
Threshold reached: 19:32 UTC

Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future

Oulu
Arkhangelsk
Umeå

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Kuopio
Oslo
Sundsvall

Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future

Helsinki, Tampere, Turku
Petrozavodsk, Syktyvkar

The density of the solar wind is moderate (23.94 p/cm³)

The strength of the interplanetary magnetic field is moderate (13.28nT), the direction is North (5.02nT).

The Disturbance Storm Time index predicts strong storm conditions right now (-162nT)

Latest news

Tuesday, 15 April 2025

Latest forum messages

2025/04/12-13 Filament CMEs 2025/04/16 G3 Watch 379 AR4064 6 Incoming & Unnumbered Active Regions 1739 AR 4060 31 AR4062 32

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