{"id":1995246,"slug":"hcg-57","name":"HCG 57","domain":"deep-sky","class":"galaxy-group","otype":"CGG","otype_label":"Compact Gr G","ra":174.46041666666667,"dec":21.985,"coo_err_mas":null,"coo_bibcode":"2001ApJ...554L.129M","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":8975.225,"redshift":0.0304,"dist_pc":null,"vmag":15.4,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":5.5,"size_min":5.5,"size_angle":90.0,"nbref":88,"simbad_oid":1844504,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":6,"first_seen":"2026-08-14T16:50:43.491428+00:00","updated_at":"2026-08-14T16:50:43.491428+00:00","identifiers":["APG 320","BAX 174.4605+21.9850","[BDG98] J113753.9+215853","Copeland Septet","[FK2002] 142","HCG 57","[RPG97] 145","RSCG 43","WBB N79-278","WBL 343","XCLASS 1937","XMMU J113753.5+215837"],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}