4.4.2 PDCC Science data ‣ 4.4 The Observations of the Phase Diversity Campaign (PDC) ‣ Chapter 4 Euclid Surveys ‣ Part I The Euclid Mission ‣ Euclid Explanatory Supplement Data Release DR1-Foundation Documentation release 1‣ 4.4 The Observations of the Phase Diversity Campaign (PDC) ‣ Chapter 4 Euclid Surveys ‣ Part I The Euclid Mission ‣ Euclid Explanatory Supplement Data Release DR1-Foundation Documentation release 1