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JAAVSO v20n1

eJAAVSO
Volume 20 Number 1 1991
Page
Number
 
1 A Method of Creating AAVSO Observing Charts by Computer
Charles E. Scovil, Robert A. Leitner
  abstract pdf  
 
6 Computer Image Processing Techniques for the Production of AAVSO Observing charts
Gilbert Weingarten
  abstract pdf  
 
14 Visual and Photoelectric Observations of DM Persei
David B. Williams
  abstract pdf  
 
18 Phoebe Haas - An AAVSO Volunteer
Thomas R. Williams
  abstract pdf  
 
23 pi PsA - Who Are You?
Axel Thomas
  abstract pdf  
 
25 Photoelectric Photometry of the Carbon Star V614 Monocerotis
Rick Wasatonic
  abstract pdf  
 
28 CD Photometry of the RR Lyrae Star SS Leonis
A. L. Anderson, W. J. Bestman, S. A. Bieszke, J. Blanchard, M. R. McPherson, T. R. McWilliams, S. T. Mikusko, E. C. Morse, T. N. Philpott, P. Sasse, D. T. Slee, D. A. Ventimiglia, H. A. Smith
  abstract pdf  
 
32 V3821 SGR and a Nearby Carbon Star
Dorritt Hoffleit
  abstract pdf  
 
35 Period Update for V418 Cassiopeiae
Daniel H. Kaiser, Michael J. Collins
  abstract pdf  
 
39 Southern Variable/NSV Survey
Robert DeMartino, Michael Dzubaty, Dennis Kocyla, Christopher Predom, Edward Wetherbee
  abstract pdf  
 
41 Variable Star Observations in an Introductory Astronomy Course
C. Martin Gaskell
  abstract pdf  
 
51 Recent Data on IU Cygni
Deborah C. Banks
  abstract pdf  
 
53 The Elements of V714 Cygni: Erratum
Emilia P. Belserene
  abstract pdf  
 
54 Examination of the Complicated Cepheid HR 7308
Juan E. Cabanela
  abstract pdf  
 
60 Analysis of AC Comae Berenices
Leith E. Dwyer
  abstract pdf  
 
64 Updated Periods for CG and GY Comae Berenices
Holly Jessop
  abstract pdf  
 
68 A Revision and Update for V1176 Sagittarii
Holly Jessop
  abstract pdf  
 
71 The Puzzling Behavior of EM Comae Berenices
John C. Krueger
  abstract pdf  
 
74 A Revision of the Variable Period of IM Aquilae
Dana Lehr
  abstract pdf  
 
77 An Amplitude Analysis of TU Cassiopeiae
Vicki Mader
  abstract pdf  
 
84 QY Cygni Re-Examined
Cynthia J. Ray
  abstract pdf  
 
86 The Periods of NS and EP Cygni
David J. Reiss
  abstract pdf  
 
90 The Complicated Period Changes of IV Cygni
Sandra M. Sweller
  abstract pdf  
 
95 Another Look at the Period of HS Aquilae
Lisa Wenner
  abstract pdf  
 
98 Definitive American Relative Sunspot Numbers for 1990
Peter O. Taylor
  abstract pdf  
 
101 A Long-Lived Active Area on the Sun
Peter O. Taylor
  abstract pdf  
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