Astronomy Picture of the Day
NASA Astronomy Picture of the Day

Current solar images

Frederick A. Ringwald

Professor of Physics
Director, Fresno State's Observatories
Department of Physics
California State University, Fresno

Ph.D. in Physics, Dartmouth College, 1993

Curriculum Vitae / Publications and Preprints
2017 Spring Classes:
PSci 21 Elementary Astronomy
PSci 21 Elementary Astronomy Lab
Phys 4C Light and Modern Physics
Phys 150 Astrophysics

Classes from Previous Semesters

Current space weather / Solar Cycle 24
Accurate time / My picture

Research opportunities
for Fresno State students

Gallery of images from the Campus Observatory,
the Sierra Nevada, and Mount Laguna

Adventure! Excitement!

Research Interests: Multiwavelength observational astronomy of cataclysmic variable binary stars, nova shells, accretion disks and outflows, X-ray binaries and black holes, common envelope evolution, stellar magnetism, and extrasolar planets; also spaceflight and astronomical instrumentation.

Images taken at Fresno State's Campus Observatory At right: Some images from
Fresno State's Campus Observatory.

E-mail: ringwald[at] and replace [at] with @

Office: McLane J-wing Room 11 (near the ground-floor Women's Room and due east of McLane 161).

Office hours (May 15 - 2018 Spring):

By appointment only (on Sabbatical leave)

If students need to see Professor Ringwald outside of office hours, please call or e-mail first.

(559) 278-8426 : Phone
(559) 278-2371 : Secretary
(559) 278-7741 : Fax

Mailing Address:
2345 E. San Ramon Ave., M/S MH37
Fresno, CA 93740-8031, U.S.A.

Here is the department brochure that I edited. It's a pdf file that you can read with Adobe Acrobat Reader, a free program available here. Here is a recruiting slide.

Click for Fresno, California Forecast

Last updated 2017 May 21. Web page by Professor Ringwald
Department of Physics, California State University, Fresno. Please read this disclaimer.