Local amateur photographer Adam Rory Porter snapped the amazing phenomenon of the Autumn Equinox at Grianán of Aileach this weekend.
The ringfort at Burt was just recently revealed to be astronomically aligned with the Spring and Summer equinoxes.
The sunrise of the Autumn Equinox this weekend lit up Grianán Ailigh with a stunning effect.
Adam Rory Porter captured the passage of light through the opening of the impressive fort that once seated the royalty of Aileach.
