An astronomical observation

[Amy Z]

David wrote:

> I don't know if any of you intend to be up and about at midnight in 
> the next couple of weeks, but if you are, and live in British 
> latitudes, you might be interested to know that the head of the 
> constellation Draco will be directly overhead at that time.
> 
> Just in case you are interested.

I wonder if there is astronomical significance to JKR's choosing the 
summer (antipodean winter) solstice for OoP's release?  And will Mars 
be bright that night?  (Apparently not, but the baleful influence of 
Saturn might be felt later in the week.)

Amy Z
who can find Sirius and not much else, but will look for Draco tonight