| rightascension =12<sup>h</sup> 44<sup>m</sup> 46.09<sup>s</sup><ref name=simbad>[http://simbad.u-strasbg.fr/simbad/sim-id?Ident=PGC+3074547&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id Boomerang nebula] from the [http://simbad.u-strasbg.fr/simbad SIMBAD Astronomical Database]</ref> | | rightascension =12<sup>h</sup> 44<sup>m</sup> 46.09<sup>s</sup><ref name=simbad>[http://simbad.u-strasbg.fr/simbad/sim-id?Ident=PGC+3074547&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id Boomerang nebula] from the [http://simbad.u-strasbg.fr/simbad SIMBAD Astronomical Database]</ref> |