Club Astro PSA:
M51 Galaxie du Tourbillon (Arnaud)
Club Astro PSA:
M51 (Franck) and NGC 5198 and NGC 5173
Club Astro PSA:
M51 (Franck) and NGC 5198 and NGC 5173
Club Astro PSA:
Stacking process
Club Astro PSA:
M51_Galaxie_a_spirale_Grande_Ourse_01_toutes_images_sigma_clipping_crop (Alex)
Club Astro PSA:
M51 (Arnaud)
Club Astro PSA:
M51
Club Astro PSA:
M51_A7S_C11_01_DSS_Med_FlatsMed_DSS_starless_red+starsmrg_FZ_M51-1400 (Alex)
Club Astro PSA:
M51_A7S_C11_01_DSS_Med_FlatsMed_DSS_starless_red_FZ_p (Alex)
Club Astro PSA:
M51_elaboration (Alex)
Club Astro PSA:
M51_image_brute_DSC_4723_red_moy
Club Astro PSA:
M51_C11_ISO6400_a_160im_DSS_moy_gradient_DSS7_15_GIMP2_LL0126-ST5260-GIMP3_DxO_micro_LL0631_DxO_95pc-2 (Alex)
Club Astro PSA:
M51_C11_A7S_Red10mm_109im_30sec_ISO1600_Flat_Dark_Seq_BestPix_AutoBr_HDR_Dist_LiPol_DxO_Crb_2_LL0199_DxO_Crv3