{"id":2276814,"slug":"hd-300657","name":"HD 300657","domain":"deep-sky","class":"star","otype":"*","otype_label":"Star","ra":155.32147560775,"dec":-56.13977999240001,"coo_err_mas":0.0133,"coo_bibcode":"2020yCat.1350....0G","plx_mas":0.7332,"pmra":-7.384,"pmdec":1.404,"rv_kms":-6.66,"redshift":-2.2215121e-05,"dist_pc":null,"vmag":9.45,"bmag":11.08,"gmag":8.618913,"jmag":6.141,"kmag":4.99,"sp_type":"M3","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":6,"simbad_oid":3171313,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:51:14.530671+00:00","updated_at":"2026-08-14T16:51:14.530671+00:00","identifiers":[],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}