Solar

Solar Section Publications

The Solar Section has a monthly Newsletter containing observer’s observations such as daily number of groups and sunspots numbers or images

The plot below shows the magnetic field strength variations as recorded by Stuart Green in Preston, Lancashire, UK. Stuart explains

Please use the form below to contact the Section Director. If you wish to submit your observations to the section,

18th April 2022 Two large sunspot groups have just rotated onto the solar disc around the north-eastern limb, AR2993 and

The following graphs show the temporal variation of the various white light and hydrogen alpha parameters obtained from member’s observations.

Section Officers Director: Lyn Smith Assistant Director (Web Manager): Peter Meadows Assistant Director (Data Analysis): John Cook

This week’s webinar will be on How to image the Sun in three wavelengths, by Sheri Lynn Karl To join the interactive

Today 2020 06 03 Wednesday, a penumbral sunspot rounded the SE limb at high latitude. We can surmise this will

Although we are now (February 2019) at solar minimum in terms of the number of sunspots, there is one photospheric