This directory contains all available data for AR9787. I : directory containing MDI intensity data M : directory containing MDI magnetic field data POWER_CUBES : directory containing MDI acoustic power maps SFT : directory containing SFT vector magnetograms TRACE : directory containing TRACE FITS data V : directory containing MDI Dopplergrams xy_umbra.fits : directory containing l0 and b0 coordinates of the centre of the sunspot for each day