In This Issue:

• Editorials
  • The Yellow Pages
  • Welcome! [to Bill Ireland, staff artist]
  • RASC Elections 1976
  • National Library Closes Temporarily
• The H. R. MacMillan Planetarium   David A. Rodger
• The Adams-Leverrier Affair II   Dr. J.D. Fernie
• Cassegrain Telescope Systems   Jack Winzer
  • Design of a Cassegrain telescope
  • Optics of a Cassegrain Telescope
  • Other Types of Cassegrain Telescopes
• New Observing Aid   David L. DuPuy
• Astronomy Update   Dr. D. Hube
• The University of Alberta Observatories   Dr. D. Hube
• 1976 General Assembly