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VV CEP Polarisation

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About this observation
Observer
john simpson
Time of observation
21/04/2018 - 23:00
Object
VV CEP
Observing location
SW Scotland
Equipment
Celestron C6
Astrodon [J-C] V-band filter
WollastonPrism
ATIK 314L+
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Since putting together DIY polarimeter I've collected a small number of VV Cep linear polarisation measurement in 'V' band. The top graph charts the amplitude variation over a period of approx. 150 days. The lower graph shows the progression of components in QU plane [movement is right to left in time].

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