That's perfectly okay for HDR
It's just not as good as several images. Especially if your camera doesn't have a particularly broad sensitivity.
The purists go for several images over quite a wide range of exposures.
(
foop,
Wed 5 Mar 2008, 19:11,
archived)
okay
i'll do it properly next time and post results here for all to see
(
gobbledegook blurs the line between lurking and stalking,
Wed 5 Mar 2008, 19:18,
archived)