Do you have a high enough Faith stat to use it? If yes, then go for it, if not I wouldn't bother personally.
edit: it's distinctly average unless you use it along with Moonlight Arrows (which are very expensive).
As I head happily towards NG+ - Which bow is generally considered the best?
"Assimilate this!" cried Worf, firing a space bazooka at the Borg.