{"id":2010312,"slug":"ngc-3991","name":"NGC 3991","domain":"deep-sky","class":"galaxy","otype":"EmG","otype_label":"EmissionG","ra":179.3769375,"dec":32.33416666666667,"coo_err_mas":null,"coo_bibcode":"2006AJ....131.1163S","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":3202.0,"redshift":0.010738376,"dist_pc":null,"vmag":null,"bmag":13.8,"gmag":null,"jmag":11.665,"kmag":10.876,"sp_type":null,"morph_type":"I","size_maj":2.33728,"size_min":0.394532,"size_angle":32.0,"nbref":163,"simbad_oid":1860297,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":2,"first_seen":"2026-08-14T16:50:43.491428+00:00","updated_at":"2026-08-14T16:50:43.491428+00:00","identifiers":["1E 1154.9+3236","2MASX J11573009+3219594","2MASX J11573046+3220030","2MFGC 9396","[BGK2003] B115455.7+323641","[CCA99] UGC 6933a","[CHM2007] HDC 683 J115730.46+3220030","[CHM2007] LDC 852 J115730.46+3220030","ECO 11639","[H37] 309","[H56] 5","IRAS 11549+3237","IRAS F11549+3236","KPG 311","KUG 1154+326","LEDA 37613","LJHY 25","[M98c] 115456.2+323658","MCG+06-26-060","[MI94] Sm 69","NGC 3991","NGC 3991S","PSCz Q11549+3237","[T76] 46A","UGC 6933","UZC J115731.1+322016","VV 523","Z 1154.9+3236","Z 186-73"],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}