Dr. Matthew J. Penn, Associate Astronomer
mpenn@nso.edu
National Solar Observatory,
950 N Cherry Ave,
Tucson, AZ 85719
Office: (520) 318-8510,
Fax: (520) 318-8278,
NSO Office: (520) 318-8294
Kitt Peak McMath/Pierce Telescope:
(520) 318-8640
Sac Peak Dunn Solar Telescope:
(505) 434-7110
