Sada, Pedro V. (Monterrey Univ. Mexico)
Jennings, Donald E. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Deming, Drake (Kitt Peak National Observatory Tucson, AZ, United States)
Jennings, Donald E. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Jackson, Brian (Oak Ridge Associated Universities Greenbelt, MD, United States)
Hamilton, Catrina M. (Dickinson Coll. Carlisle, PA, United States)
Fraine, Jonathan (Maryland Univ. College Park, MD, United States)
Peterson, Steven W. (Kitt Peak National Observatory Tucson, AZ, United States)
Haase, Flynn (Kitt Peak National Observatory Tucson, AZ, United States)
Bays, Kevin (Kitt Peak National Observatory Tucson, AZ, United States)
Lunsford, Allen (Catholic Univ. of America Washington, DC, United States)
O'Gorman, Eamon (Trinity Coll. Dublin, Ireland)