++++ Executing new job on Wed May 31 01:40:47 2017
 ++++ with the following command(s): 
`which relion_preprocess_mpi` --i Select/job027/micrographs.star --coord_dir Import/job025/ --coord_suffix .star --part_star Extract/job028/particles.star --part_dir Extract/job028/ --extract --extract_size 384 --norm --bg_radius 144 --white_dust -1 --black_dust -1 --invert_contrast  --set_angpix 0.84 
 ++++