Named in memory of LeRoy E. Doggett (1941–1996), a staff astronomer at the U.S. Naval Observatory known for his application of Chebyshev polynomials to celestial mechanics and positional astronomy. An expert in calendars, astronomical phenomena, the history of astronomy, and planetary theory, he was chief of the U.S. Nautical Almanac Office, associate editor of Archaeoastronomy, organizer of the nationwide “Moon Watch” program to determine earliest visibility of the lunar crescent, and secretary-treasurer of the Historical Astronomy Division of the American Astronomical Society. (M 27330) _ _.