They've been causing something of a sensation this week and now it's your last chance tonight to see the Starlink satellites.
The lightshows across the skies are not UFOs, but lights coming from satellites powered by Elon Musk's Starlink fleet.
Many Brits have spotted them flash across the sky already, and there will be a last chance to see them on Saturday, April 25.
Starlink is a satellite constellation that is being constructed by American company SpaceX, founded by the South African billionaire.
The firm sends satellites up into the Earth’s orbit in batches of 60, with a launch in mid-March, and another one this week.
So far, the firm has deployed more than 300 satellites into space and is working towards a network of 12,000, with the aim of improving global internet coverage.
The satellites appear in a line crossing the night sky and their current orbital position has made them easier to spot in the past few days.
How can I see the Starlink satellites tonight?
Look up to the skies at 9:45pm , for 6 mins from west to east.
Elevation (from horizon): start: 10°, max: 66°, end: 15°
The satellites will appear as ‘trains’ of bright lights and can be spotted in the sky without binoculars or a telescope.
You will need a clear sky and as little light around you as possible in order to see them, so it is best to avoid looking at your phone screen too much, and turn off any outdoor lighting.
To find out more details visit the starlink site here. To find out more about the skies above Wales, visit Dark Sky Wales.
The next celestial events to look forward to including the Eta Aquariids, peaking between May 5 and 6, and the fourth and final super moon of the year on May 7.
