Systematic search for tidal features around nearby galaxies - I. Enhanced SDSS imaging of the Local VolumeGustavo Morales, David Martínez-Delgado, Eva K. Grebel, Andrew P. Cooper, Behnam Javanmardi and Arpad MiskolcziA&A, 614 (2018) A143DOI: https://doi.org/10.1051/0004-6361/201732271