norme (1) logiciel (1) élimination (1) champ (1) abords (agglomération) (1) étalonnage (1) Calibration (1) Software (1) Stars--Magnitudes (1) Stars (1) Photometry (1) Magellanic Clouds (1) Calibration (1) Average (1) Astrophysics (1) Sources (1) Sources (1)