J. Weaver, O. Kauffmann, O. Ilbert, H. McCracken, A. Moneti, S. Toft, G. Brammer, M. Shuntov, I. Davidzon, B. Hsieh and 47 other author(s). (2021)cite arxiv:2110.13923Comment: 39 pages, 21 figures, accepted for publication in The Astrophysical Journal Supplement Series. Production of IRAC mosaics are presented in Moneti et al. "Euclid Preparation: XVIII. Cosmic Dawn Survey. Spitzer observations of the Euclid deep fields and calibration fields" which has been posted simultaneously. Catalogs can be accessed online now at https://cosmos2020.calet.org.