Astrology question

[davewitley]

I have been following the birth chart thread with interest.

The only trouble is, that judging by her treatment of Trelawney, JKR 
is not a great fan of astrology.  As Paula pointed out in connection 
with Voldemort, the events in Harry's life are in JKR's gift.

So, the question is, assuming for the moment that JKR has paid no 
attention to Harry's chart in developing the series, could the stars 
(well, really, the planets) have influenced her enough in 
constructing the story (without her knowing it) that understanding 
Harry's chart could be useful in analysing it?

David