The Equinox Reel
This is an original Tune composed by session.org member halfwaythere (https://thesession.org/members/10257).
See discussion https://thesession.org/discussions/33548#comment716107
I hope i got the tune nearly right.
Not the Equinox from Davy Spillane
After adding the tune to the database, i saw that there are two recordings of a tune with this name. So I have to say, this tune here has nothing to do with the tune played by Davy Spillane.