• Notes on telescopes (PDF)
  • Lecture-tutorial on telescopes (PDF)

  • Notes on optical telescopes from Phys 301
  • Notes on non-optical telescopes from Phys 301
  • APOD showing "twinkling"

  • Multiwavelength views of M31

  • Image of the Hyades or look at bigger version
  • Objective-prism spectrum of the Hyades