CLEAN image reconstruction of the 7 mm M 87 jet from VLBA data using robust weighting of the data (robust = 0.5 in tclean). The data were calibrated and imaged with rPICARD. The restoring beam (0.37 × 0.17 mas at −13.3°), representing the resolving power due to the u − v coverage of the data, is shown in bottom left corner. The color range displayed is −10⁻⁴ Jy beam⁻¹ to 0.7 Jy beam⁻¹. Contours in mJy per beam are drawn for −1.8, 1.8, and 2.5, increasing by factors of from there.