Thomas Mann’s ‘Trajectory Heart’ is now at the site of the Saturday Farmer’s Market, on the grounds of the Covington Police Department until December 2. Trajectory Heart will be at the St. Tammany Parish Emergency Center from December 2 through December 13, then at the St. Tammany Parish Art Association from December 13 through December 17. “Icons: Personal Visions” opens Saturday, December 14 from 6-9 p.m.