Blimey, this kind of thing sticks with you doesn't it. Had something similar about three years back, just outside Leeds. Hovering light over the fields near the canal, dead silent, no engine noise whatsoever. Watched it for maybe ten minutes before it just... vanished. Not flew away, just gone.
Few things worth asking:
How high up roughly was it?, Any colour changes or was it a steady light?, Did it make any movement at all or completely stationary?
I've been trying to get more serious about documenting this stuff since my experience. Got myself a Bresser night vision monocular which helps a bit, though I'm still figuring it all out if I'm honest. Paranormal photography is harder than people think, especially at night when your brain starts playing tricks.
The hovering with no sound is what gets me every time. Helicopters, drones, planes - they all make noise. When something's just sitting there in silence that's when it gets properly unsettling.
Would really like to hear more details. Do you reckon any neighbours saw it too? Worth asking around before people start forgetting. These things fade fast in memory and you want as many accounts as possible while it's fresh.