The phenomenon is only visible during the cold weather.
People in the midlands were both amazed and baffled to see a ring around the moon at the weekend.
They weren't seeing things - a 'lunar halo' is an optical illusion caused by the refraction of moonlight from ice crystals in the upper atmosphere.
Seanie Morris of the Midlands Astronomy Club, says the phenomenon is only visible during cold weather:
Laois Women’s Quilt And Antarctic Adventures To Take Centre Stage At Midlands Science Festival
Dr Niamh Shaw will be discussing her trip to Antarctica in 2023.
Singer Tolu Makay Brings National Tour Home To Offaly
Tullamore's Tolu Makay is playing at the Esker Arts Centre this Friday.
Irish Rail Appeals For Public Help After Midlands Train Vandalism
Irish Rail say a graffiti attack took place on Friday morning in Athlone.
Revenue Officers Seize Contraband Worth €169k
Over 3.1kg of herbal cannabis was seized.
Fabric Of Change Launches Week-Long Fashion Pop-Up In The Midlands
Fabric of Change Carlow is opening its Pop-Up today.
Offaly Gardaí Appeal For Witnesses After Church Break In
It took place on Saturday evening at Clonbollogue's Sacred Heart Church,
Two Cars Seized In Midlands During Garda Tyre Safety Crackdown
Tullamore Roads Policing Unit are conducting checks on unsafe vehicles and road traffic offences.
Offaly Woman Crowned Ms Ireland
Cleo Knight was named the winner on Saturday night.
