It is included in Maggie Malone's book as The Great Circle (4024, p 309) and also in Barbara Brachman's book as The Great Circle (2995, p 401). The pattern was originally from Aunt Martha Studios.
There is an example included in the MSU Quilt Index.
http://www2.matrix.msu.edu/~quilti/f...kid=50-8A-100C