{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.674","julian_year":2026.674,"time":"2026-09-04T03:28:03.679Z","years_from_j2000":26.674,"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-6072","name":"NGC 6072","class":"planetary_nebula","category":"nebula","object_type":"Planetary nebula","mag":11.7,"mag_band":"V","abs_mag":null,"abs_mag_band":null,"distance_ly":3317.0103613792808,"distance_method":"Statistical distance scale for planetary nebulae (Stanghellini+ 2008)","ra_deg":243.2425,"dec_deg":-36.230000000000004,"epoch_ra_deg":243.683953,"epoch_dec_deg":-36.298844,"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":"Scorpius","discovered":"1837","featured":false,"url":"https://spacecatalog.org/object/ngc-6072","radius_km":null,"radius_kind":null,"data_quality":null,"description":null,"properties":{"b_mag":14.1,"v_mag":11.7,"redshift":0.00004,"wikidata_id":"Q1125436","discovered_by":"John Frederick William Herschel","ngc_type_code":"PN","major_axis_arcmin":1.17,"wikipedia_article":"NGC 6072","distance_reference":"NGC 6072","radial_velocity_km_s":12},"designations":[{"catalog":"2MASX","designation":"2MASX J16125713-3613263"},{"catalog":"ESO","designation":"ESO 389-015"},{"catalog":"ESO","designation":"ESO 389-15"},{"catalog":"IRAS","designation":"IRAS 16097-3606"},{"catalog":"IRAS","designation":"IRAS F16097-3606"},{"catalog":"NGC","designation":"NGC 6072"},{"catalog":"PN","designation":"PN G342.1+10.8"}],"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."}