{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.682","julian_year":2026.682,"time":"2026-09-07T05:19:49.224Z","years_from_j2000":26.682,"frame":"date","applied":"Proper motion, then precession and nutation. The catalogued J2000 position is carried along the great circle the object's own published motion puts it on, at a constant velocity, and the result is referred to the true equator and equinox of this instant. Those are separate things: the motion moves the object, and the rotation turns the grid under it by about fifty arcseconds a year, with nutation adding up to another seventeen.","excluded":"Parallax, the radial-velocity perspective term, aberration and refraction; each is below the accuracy of the catalogued positions themselves. An object with no published proper motion comes back where the catalogue has it rather than at a fabricated zero, and says so with a null pm_ra_mas_yr. A body with no fixed position is not propagated at all — its place comes from an ephemeris, which is what /api/v1/visible answers with."},"slug":"ngc-7090","name":"NGC 7090","class":"spiral_galaxy_sc","category":"galaxy","object_type":"Spiral galaxy Sc","mag":10.87,"mag_band":"V","abs_mag":null,"abs_mag_band":null,"distance_ly":32315725.451673377,"distance_method":"redshift (CMB frame), flat ΛCDM with H0 = 70 km/s/Mpc","ra_deg":324.12025,"dec_deg":-54.55733333333333,"epoch_ra_deg":324.589301,"epoch_dec_deg":-54.437123,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":null,"semi_major_axis_km":null,"periapsis_km":null,"mass_kg":null,"mass_msun":null,"constellation":"Indus","discovered":"1834","featured":false,"url":"https://spacecatalog.org/object/ngc-7090","radius_km":null,"radius_kind":null,"data_quality":null,"description":null,"properties":{"b_mag":11.31,"h_mag":8.39,"j_mag":9.03,"k_mag":8.16,"v_mag":10.87,"redshift":0.002839,"hubble_type":"Sc","wikidata_id":"Q1149526","redshift_cmb":0.0023094093019842,"discovered_by":"John Frederick William Herschel","ngc_type_code":"G","uncertainties":{"distance_ly":[14063144.99652271,14063144.99652271]},"major_axis_arcmin":8.15,"minor_axis_arcmin":1.63,"wikipedia_article":"NGC 7090","position_angle_deg":128,"surface_brightness":23.32,"radial_velocity_km_s":850},"designations":[{"catalog":"2MASX","designation":"2MASX J21362886-5433263"},{"catalog":"ESO","designation":"ESO 188-012"},{"catalog":"ESO","designation":"ESO 188-12"},{"catalog":"ESO-LV","designation":"ESO-LV 188-0120"},{"catalog":"IRAS","designation":"IRAS 21329-5446"},{"catalog":"IRAS","designation":"IRAS F21329-5446"},{"catalog":"LEDA","designation":"LEDA 67045"},{"catalog":"NGC","designation":"NGC 7090"},{"catalog":"PGC","designation":"PGC 67045"}],"source":{"id":"openngc","name":"OpenNGC","url":"https://github.com/mattiaverga/OpenNGC","license":"CC-BY-SA-4.0"},"updated_at":"2026-09-02T19:50:56.720Z","attribution":"Data from SpaceCatalog.org. Individual records carry their source and license in `source`; attribution is required for CC-BY and CC-BY-SA rows."}