Question:  When an area of effect weapon detonates, is the 'direction' of the attack measured from the target hex, or from the firing ship?

This becomes an issue if screens are in play, as an area of effect weapon detonating behind the target ship would either hit the back, likely un-or-lightly screened side (because that is where the explosion originates) or it would hit the front side, because that is where the firing ship is....

It seems that hitting the back makes more sense, given the LOS rules for AOE, but I am uncertain.