The Cosmic Assembly Near-infrared Dark Energy Legacy Survey (CANDELS) is an HST Multi-Cycle Treasury Program to image portions of five of the most commonly studied legacy fields (GOODS-N, GOODS-S, COSMOS, UDS and EGS) with WFC3 in the NIR. The survey has observed all five fields to 2-orbit depth in F125W (J-band, 2/3 orbit) and F160W (H-band, 4/3 orbit) and the central regions of GOODS-N and GOODS-S to 10 orbit depth in these bands as well as F105W (Y-band). ACS parallel imaging has also been obtained for all of these fields in F814W and F606W. For details on the full CANDELS survey, see Grogin et al. (2011ApJS..197...35G). In addition to the CANDELS observations, a portion of GOODS-S was also observed as a part of the WFC3 Early Release Science (ERS; Windhorst et al. 2011ApJS..193...27W) campaign in Y, J, and H. <P />The CANDELS observations began in 2010 October and were completed in 2013 August. For this paper, we use mosaics at three different depths for comparison. (2 data files).