The search turned up four circular patches,
each spanning an area of sky equivalent to at least eight full moons (arxiv.org/abs/1012.1995 and arxiv.org/abs/1012.3667).
v Reported variations in the CMB
spanned areas of the sky that were 100 or 1,000 times too broad to produce galaxies.
Not exact matches
LIGO was able to determine the location
of the black hole collision only to within an
area spanning 600 square degrees
of the
sky.