The 88 Modern Constellations
IAU & Eugène Delporte
Eugène Delporte originally listed the 88 modern constellations on behalf of the IAU Commission 3 (Astronomical Notations), in Délimitation scientifique des constellations. (Delporte, 1930)
This 88 charts were produced in collaboration with Sky & Telescope magazine (Roger Sinnott & Rick Fienberg). Alan MacRobert's constellation patterns, drawn in green in the charts, were influenced by those of H. A. Rey but in many cases were adjusted to preserve earlier traditions. The images are released under the Creative Commons Attribution 3.0 Unported license.
The only modification made was removing the logos...
You can find the original sources here IAU