April 4, 11, 18: Telescopes, Optics, Imager, Spectrograph
May 2, 9, 16, 23: Photometry, Spectroscopy
June 6, 13, 20, 27: Galaxies, Stars, Supernovae, Transients
July 4, 11, 19: Observational Cosmology
There will be no class on one of these 14 days (announced eventually).