This stunning picture is of the aurora borealis, or the northern lights, that were visible in Wales and across the UK overnight. Ruth Davies, from Ruthin, took the shot of their vintage David Brown tractor with the lights in the background over the Vale of Clwyd. The US Government's space weather prediction centre showed the aurora overlapping with parts of northern Scotland last night and a red alert was issued on Lancaster University's AuroraWatch website.
Red means it is likely the aurora will be visible by eye and camera from anywhere in the UK. The best time to spot the lights was between 10pm last night and 2am this morning. Astronomy tourism specialist Dark Sky Wales said on Facebook that a sighting could be possible.
"There's currently high levels of auroral activity. If this continues until darkness then there's a good chance to see it across the UK. Get yourself somewhere with a clear northern horizon (mountains are great) and enjoy the show.
" The company, which provides astronomical tours, courses and other services, also said a meteor shower was expected on Monday evening. If you have any pictures you would like to share with us, email cathy.owen@mediawales.
co.uk. The lights came after the warmest day of the year in parts of the UK.
Welsh weather forecaster Derek Brockway said that 34°C was recorded in Cambridge, 32°C in London, 25°C in Usk, 22°C in Newbridge on Wye and 19°C on Anglesey and in Milford Haven. The short-lived hot period in the south and east is.