AAVSO NEWS FLASH No. 19


              THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
                   25 Birch Street, Cambridge, MA 02138 USA
                   Tel. 617-354-0484       Fax 617-354-0665
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                        * * *  AAVSO NEWS FLASH  * * *

Subject: Z Cha                                      No. 19
                                                    May 10, 1996
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Z CHAMAELONIS

The dwarf nova type (SU UMa subclass) cataclysmic variable Z Cha is in 
superoutburst as indicated by the following observations:
                               
     UT       Mag.    AAVSO Observer                        
                                                                               
MAY  9.7153   11.6    J. Smit, South Africa
MAY  9.8125   11.6    J. Hers, South Africa    
MAY 10.701    11.8    Smit


Dr. Frank Bateson, Director of VSS, RASNZ, reported the following 
observations (vsnet-alert 411) which show the beginning of this 
superoutburst:

    UT       Mag.    Observer

MAY 8.4271   14.9    R. Stubbings, Australia
MAY 8.5368   14.0    Stubbings
MAY 8.5771   13.8    Stubbings
MAY 9.2847   12.5    G. Herdman, New Zealand
MAY 9.3819   11.5    W. Taylor, Australia
MAY 9.8042   11.7    P. Nelson, Australia
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Please monitor Z Cha closely and phone-in, fax, or e-mail your 
observations to the AAVSO.

Good observing!
Janet A. Mattei

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Symbols may include:  < = fainter than magnitude given (variable not seen)
                      : = uncertain
                   CCDV = Charge-coupled device with (V) filter


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        Janet Mattei, AAVSO Director, at aavso@aavso.org

We look forward to including your observations in future editions
of AAVSO NEWS FLASH!

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