NGC 5377: large‐scale R‐band isophotes (a); ellipse fits (b, WIYN R and NICMOS2 F160W [red]); B−R color map (c, ﹩w=5﹩, color range = 0.81 mag between blue inner ring and red nuclear ring, =1.44 mag between inner ring and reddest blobs outside); WFPC2+NICMOS2 V−H (F606W−F160W) color map (e, unsmoothed, color range = 1.41 mag); unsharp masks of PC2 F606W image (d, ﹩\sigma =10﹩) and NICMOS2 F160W image (f, ﹩\sigma =10﹩).