CP 1919
The first radio pulsar, CP 1919, with a pulse period of 1.337 seconds and a pulse width of 0.04 second, was discovered by Jocelyn Bell in the constellation of Vulpecula, just south of Cygnus. in July 1967. The present day designation of this pulsar is PSR 1919+21: pulsar at right ascension 19 hours 19 minutes, declination 21 degrees.
The British rock band Joy Division used an image of CP 1919's radio pulses on the cover of their debut album, Unknown Pleasures. [1]
Publication
A. Hewish, S. J. Bell, J. D. H. Pilkington, P. F. Scott, and R. A. Collins. Observation of a rapidly pulsating radio source. (Nature 217:709-713, 1968).