Volume 13 number 1 — 1984

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Articles in This Issue

Variable Star Research

• Period Changes in V726 Cygni: A Linear Solution

  Lewis M. Cook

• Revised Elements for V1510 Cygni

  Laura Hoecker

• Preliminary Results of Observations of EU Delphini

  Howard J. Landis

• PZ Aquilae: Period Changes in a Population II Cepheid

  Derek Wallentinsen

• Semiregular Variables: Are They Chaotic or Ringing?

  Charles A. Whitney

Instruments, Methods, and Techniques

• A Computer Program to Calculate First Order Extinction Coefficients

  Murray K. Kaitting

History and Biography

• The Christmas Star, Novae, and Pulsars

  Dorrit Hoffleit

• Data Management at AAVSO Headquarters

  Elizabeth O. Waagen

Letters to the Editor

• Letter to the Editor--"Handbook for Solar Observers"

  Jost Jahn

• Letter to the Editor--"A Visual Atlas of the Large Magellanic Cloud"

  Mati Morel

• Letter to the Editor--"u versus U versus"

  David B. Williams

Abstracts

• Radial Velocities of Northern Hemisphere Miras (Abstract)

  Richard A. Crowe

• Strategic Variable Star Observing (Abstract)

  Ernst H. Mayer

• The Application of Visual Observations to the Study of a Small-Amplitude Variable Star: Rho Cassiopeiae (Abstract)

  John R. Percy, David Keith

• Excellence in Science: A Challenge (Abstract)

  Russell C. Maag

• The Optical Behavior of SS Cygni for the International Campaign (Abstract)

  Janet A. Mattei

• Expedition to South America for Comet Halley (Abstract)

  Russell C. Maag

• Observations of Delta Cephei by 9th Grade Earth Science Students (Abstract)

  Jack C. Troeger

• The Computer as a Tool in Photoelectric Photometry (Abstract)

  Douglas M. Slauson, Jack C. Troeger

• Variable Star/Asteroid Appulse Predicting (Abstract)

  Paul L. Sventek

Organizational/Administrative

• Minutes of the 73rd Spring Meeting (Ames, IA)

  Clinton B. Ford

• Chart Distribution Report

  AAVSO Headquarters

• Classical Cepheid Committee Report

  Thomas A. Cragg

• Spring 1983-1984 Committee Reports

  Various

• Eclipsing Binary Committee Report

  Marvin E. Baldwin

• New Chart Committee Report

  Clinton B. Ford

• Nova Search Committee Report

  Kenneth C. Beckmann

• Photoelectric Photometry Committee Report

  Howard J. Landis

• RR Lyrae Committee Report

  Marvin E. Baldwin

• Solar Division Committee Report

  Peter O. Taylor

• Telescope Committee Report

  Charles E. Scovil

• Treasurer's Report, October 1, 1983-March 31, 1984

  Theodore H. N. Wales