ART

Celebrating Renoir: Pierre-Auguste Renoir’s masterpiece, “Luncheon of the Boating Party,” will be the centerpiece of a major French Impressionist exhibition opening Sept. 21 at the Phillips Collection in Washington. “Impressionists on the Seine: A Celebration of Renoir’s ‘Luncheon of the Boating Party’ ” will assemble 60 paintings from 43 museums and private collections in 10 countries, including explorations of similar themes by Claude Monet, Edouard Manet, Gustave Caillebotte and Camille Pissarro. The Phillips Collection, owner of the Renoir, is organizing the exhibition in honor of the institution’s 75th anniversary.