SIMBAD query result

Identifier not found in the database : USNO-B1.0 1230-00304800

Recognized name catalogue in VizieR : USNO-B1.0 1230-00304800

Please have a look at the "Dictionary of Nomenclature"

Result of query: info cati USNO-B1.0_1230-0304800

 [Class]      Acronym  (Explanation)   . . . . . . . . . in Simbad, use:
 [**]         USNO (US Naval Obs.) . . . . . . . . . . . IDS HHMMm+DDMMAAAA
 [Star]       USNO (US Naval Obs.) . . . . . . . . . =E= USNO NNN
=E= indicates catalogues available in electronic form at CDS

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