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AAVSO Special Notice #142

AAVSO Special Notice #149

First measurement night on April 07, 2009
19:46:16 - 22:02:27 UTC

Still image capture of video recording on April 07, 2009

Diagram overview of results (2500 x 450 pixel)

Video sequence #1 (MPEG4 - 5.1MB)

Video sequence #2 (MPEG4 - 4.8MB)

Measurement data and diagrams in an Excel file - 1.6MB

Measurement data and diagrams in a PDF file - 700kB

Second measurement night on April 09, 2009
19:14:00 - 22:39:59 UTC

Diagram of 12359 seconds, about 1.758 periods of the 7031 seconds eclipsing sequence

Video sequence (MPEG4 - 4.7MB)

Measurement data and diagrams in an Excel file - 2.4MB

Measurement data and diagrams in a PDF file - 1.2MB

With the measurement data of April 09, 2009 the periodicity could be confirmed with 7031 seconds.

D1 = 20:17:41.141 UTC
R1 = 20:24:57.828 UTC 

D2 = 22:14:52.054 UTC
R2 = 22:22:08.781 UTC 

D2-D1: 7030.913 seconds 
R2-R1: 7030.953 seconds 

Cycle peroid about 7031 seconds. 

Equipment setup for eclipsing star recording (April 07 and 09, 2009)

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