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Henry Draper catalog
subjectfact 
Henry Draper cataloghas object properties position, spectral type and magnitude2001-09-27 09:32:29.0
has publication date 19242001-09-27 09:32:29.0
has number of objects 225300has URL: http://ad.usno.navy.mil/star/star_cats_rec.html#hd, 2001-09-27 09:32:29.0
is a kind of star catalog2001-09-27 09:32:29.0
star cataloghas object type star2001-09-27 09:32:29.0