The Journal of Space Weather and Space Climate (JSWSC) opens a Topical Issue on "Fast and slow solar winds: Origin, evolution and Space Weather effects".
SIDC News
Some additional imagery of and information on the X5 flare that took place on 31 December.
An X5 flare took place on New Year's Eve. This is the strongest solar flare so far this solar cycle.
Complex sunspot group NOAA 3514 unleashed an X2.8 flare on 14 December. This is the strongest solar flare so far this solar cycle.
Several solar eruptions on 27 and 28 November had an earth-directed component and caused a major geomagnetic storm on 1 December.
While the daily sunspot number skyrocketed last week, the number of strong flares was quite modest.
So far, ongoing solar cycle 25 (SC25) has been geomagnetically more active than its predecessor SC24, but remains overall well below the long-term average of SC17 to 23.
A trio of earth-directed CMEs resulted in a major geomagnetic storm.
You can help her win the prize of the public by casting your vote.
The Locarno station just completed a 5 year digitization project archiving sunspot observations and data from 1 June 1957 onwards.
The EUI and SWAP/LYRA PI teams welcome research proposals for the 2024 round of its Guest Investigator Program for research based on EUI, SWAP or LYRA data.
Don’t forget to come visit our radio antenna's in the coming weekend! It is a unique opportunity to have fun with the whole family in a beautiful environment.