Volume 47 number 1 — 2019

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Articles in This Issue

Editorial

• Citizen Science

  John R. Percy

Variable Star Research

• Observations of the Suspected Variable Star Ross 114 (NSV 13523)

  Sriram Gollapudy, Wayne Osborn

• CCD Photometry, Light Curve Modeling, and Period Study of the Overcontact Binary Systems V647 Virginis and V948 Monocerotis

  Kevin B. Alton

• SSA Analysis and Significance Tests for Periodicity in S, RS, SU, AD, BU, KK, and PR Persei

  Geoff B. Chaplin

• The Southern Solar-type, Totally Eclipsing Binary PY Aquarii

  Ronald G. Samec, Heather A. Chamberlain, Walter Van Hamme

• Photometric Analysis of Two Contact Binary Systems: USNO-A2.0 1200-16843637 and V1094 Cassiopeiae

  Surjit S. Wadhwa

• A Photometric Study of the Contact Binary V384 Serpentis

  Edward J. Michaels, Chlöe M. Lanning, Skyler N. Self

• CCD Photometry, Light Curve Deconvolution, Period Analysis, Kinematics, and Evolutionary Status of the HADS Variable V460 Andromedae

  Kevin B. Alton, Kazimierz Stẹpień

• KAO-EGYPT J064512.06+341749.2 is a Low Amplitude and Multi-Periodic δ Scuti Variable Star

  Ahmed Essam, Mohamed Abdel-Sabour, Gamal Bakr Ali

• Low Resolution Spectroscopy of Miras—X Octantis

  Bill Rea

• Long-Term Changes in the Variability of Pulsating Red Giants (and One RCB Star)

  John R. Percy, Arthur Lei Qiu

• Multi-color Photometry of the Hot R Coronae Borealis Star and Proto-planetary Nebula V348 Sagittarii

  Arlo U. Landolt , James L. Clem

Instruments, Methods, and Techniques

• Sky Brightness at Zenith During the January 2019 Total Lunar Eclipse

  Jennifer J. Birriel, J. Kevin Adkins

Variable Star Data

• Visual Times of Maxima for Short Period Pulsating Stars V

  Gerard Samolyk

• Recent Maxima of 85 Short Period Pulsating Stars

  Gerard Samolyk

• Recent Minima of 242 Eclipsing Binary Stars

  Gerard Samolyk

• Radial Velocities for Four δ Sct Variable Stars

  Elizabeth J. Jeffery, Thomas G. Barnes III, Ian Skillen, Thomas J. Montemayor

• Discovery and Period Analysis of Seven Variable Stars

  Tom Polakis

History and Biography

• The History of AAVSO Charts, Part III: The Henden Era

  Tim R. Crawford

Abstracts

• Discoveries for δ Scuti Variable Stars in the NASA Kepler 2 Mission (Abstract)

  Joyce A. Guzik, Jorge Garcia, Jason Jackiewicz

• Stepping Stones to TFOP: Experience of the Saint Mary’s College Geissberger Observatory (Abstract)

  Ariana Hofelmann, Brian Hill

• Small Observatory Operations: 2018 Highlights from the West Mountain Observatory (Abstract)

  Michael Joner

• Comparison of North-South Hemisphere Data from AAVSO Visual Observers and the SDO Satellite Computer-Generated Wolf Numbers (Abstract)

  Rodney Howe

• Apsidal Motion Analysis of the Eccentric Eclipsing Binary V1103 Cassiopeiae (Abstract)

  Gary Billings

• Variable Stars and Cultural Astronomy (Abstract)

  Kristine Larsen

• Cold War Spy in the Sky now Provides an Eye on the Cosmos (Abstract)

  Ken Steiner

• APASS DR10 Has Arrived! (Abstract)

  Arne A. Henden

• The Faint Cataclysmic Variable Star V677 Andromedae (Abstract)

  Lewis M. Cook, Enrique de Miguel, Geoffrey Stone, Gary E. Walker

• The Fun of Processing a Stellar Spectrum—the Hard Way (Abstract)

  Stanley A. Gorodenski

• Is sCMOS Really sCMAS? (Abstract)

  Gary Walker

• β Cepheid and Mira Variable Stars: A Spectral Analysis (Abstract)

  Jesse D’Shawn Harris, Lucian Undreiu

• New Intense Multiband Photometric Observations of the Hot Carbon Star V348 Sagittarii (Abstract)

  Franz-Josef Hambsch, Christopher S. Jeffery

• Camera Characterization and First Observation after Upgrade of Feder Observatory (Abstract)

  Isobel Snellenberger, Adam Kline

• Bright Star Monitor Network (Abstract)

  Michael Nicholas

• Solar System Objects and the AAVSO Photometric All-Sky Survey (APASS) (Abstract)

  Stephen Levine, Arne Henden, Dirk Terrell, Doug Welch, Brian Kloppenborg

• Conducting the Einstein Gravitational Deflection Experiment (Abstract)

  Richard L. Berry

Errata

• Erratum: Recent Minima of 266 Eclipsing Binary Stars

  Gerard Samolyk