Samuel Challéat: Filé Beuvray
Samuel Challéat: Transit_Venus_30x40b
Samuel Challéat: moza_3_trait‚e_30x40b
Samuel Challéat: mosaGRD2b
Samuel Challéat: M65-M66-NGC3628b
Samuel Challéat: m51bis2_filtered2b
Samuel Challéat: m31_30x40b
Samuel Challéat: M13_Cedricb
Samuel Challéat: Image_01452bb
Samuel Challéat: Image_1312_bb
Samuel Challéat: Observatoire des Hautes Plates