Ca3Co2O6 is an unusual system, with a highly anisotropic magnetic behaviour and a series of regularly spaced steps in magnetisation appearing at low temperatures in a magnetic field. We have recently discovered a new metastable magnetic phase in this material that appears at temperatures well below the ordering temperature, TN=26 K, of the previously studied spin density wave and have made preliminary measurements of this magnetic phase using the GEM diffractometer. We would like to complete this experiment by making a careful study of temperature and magnetic field dependence of this new magnetic phase using the diffractometer WISH, optimised for studying magnetism. Crucially, we also aim to identify the magnetic structure of this phase. We request 3 days on WISH (or GEM if WISH is unavailable) to perform this experiment.