double WOW, one for the picture, one for the 30s!!
I used a not so solid tripod as I do now - so 30 secs is ok. But it was "arschkalt" = very cold and windy and it was the first time I used a radio trigger(?) to shoot: the transmitter in my hand in the warm pocket of my jacket. Very comfortable!
Still in service and very useful when the cam is on a tripod.
But now I have more than this because I want to catch an A380 at nightly take off - to trigger 5 power flashes (Vivitar 365 - LZ 68 @ 100ASA) so you'll see her/him sharp in the same situation. I know it will work because I once shot a test picture - the plane was 250m high - and it was only one of the old Vivitar powerflashes...