I saw it from the bridge between CX City and KA house when it departed. Wasn't that heavy at all.
I was listening to my scanner and that Oasis pilot said '123.8, Asi...Oasis 700' I bet he was going to say Asiana, as there was one about to depart at that time.
Anyway, some pictures here:
http://the-wu.org/hkgspotting/viewto...=2144&start=15