{"id":3854991,"slug":"ubc-307","name":"UBC 307","domain":"deep-sky","class":"cluster","otype":"OpC","otype_label":"OpenCluster","ra":239.41499999999996,"dec":-57.265,"coo_err_mas":null,"coo_bibcode":"2021A&A...647A..19T","plx_mas":0.327,"pmra":-2.002,"pmdec":-2.639,"rv_kms":-15.89,"redshift":-5.300193e-05,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":1.8166667,"size_min":1.8166667,"size_angle":90.0,"nbref":10,"simbad_oid":18226119,"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":"2026-08-14T16:54:35.861346+00:00","updated_at":"2026-08-14T16:54:35.861346+00:00","identifiers":[],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}