, now semi-retired, has been a computer software professional since 1968, having worked on everything from early core memory computers using only switches for control to recent internet technology products such as Directory Server, .
He now discovers asteroids, when he can, and runs several websites. By analyzing online images, he discovered amongst others, the close-approaching asteroids 2004 BV18 on January 19, 2004 and 2004 UH1 on October 23, 2004.
In July 2004, the asteroid designated 15462 Stumegan
was named 'stumegan' in honor of Stewart A Megan's discovery work at the Spacewatch project. The citation states Stewart A. Megan (b. 1952) discovered the Near Earth Object 2004 BV18 in conjunction with the Spacewatch Fast-Moving-Object Project. This find, made using real-time images transferred to volunteers over the Internet, encouraged others to join the online search.