Draper catalog

Draper catalog

[′drā·pər ′kad·əl‚äg]
(astronomy)
A nine-volume catalog of stars completed in 1924; it gives positions, magnitudes, and spectral classes of 225,300 stars.
References in periodicals archive ?
In spite of all the new developments and advances in astronomy, the original Draper catalog is still consulted -- a testimony to its greatness.