Pitbull said..
When I first saw it, it was nearly directly above. I'm guessing about the distance but it sure looked closer than 2kms. As it moved away the distance from the ground was slightly increasing.
I'm surprised that no one else saw it last night. I am in the vicinity of Kingsway Sporting Complex.
Not too far from us-[we are about 200 metres from the Alexander heights shops]
My best estimate is they are now launching from close to Frangipani Park.
The kids? in our area have been messing around with bin liner hot air balloons, and usually have lightsticks [night time] or a CD for a reflector [daytime] and other assorted stuff hanging under the balloons
I sprung a couple of kids walking past our place on the way to another park with one of thier balloons and had a look.
Turned out that "park launching" is harder- easier from home.
Heat source for the balloon is a bottle top with cotton and metho, hairdryer or heatgun to assist lift-off,
The lightstick or whatever is hanging underneath as ballast is to reduce tendancy to tip over- and as an unintended side benefit- to confuse pitbulls
I dont mind the local kids doing this sort of stuff- at least these ones are not blowing up letter boxes or grafitti-ing or belting around our street on trailbikes with dodgy mufflers
The last launch I saw, the balloon went straight up for ages until it found a breeze and wandered off north[ish]
stephen