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EF Dra CCD Photometry

Image
About this observation
Observer
James Screech
Time of observation
26/12/2016 - 18:24
Object
EF Dra
Observing location
Bedford
Equipment
Atik 414ex
Celestron AVX mount
ED70
Exposure
10 sec
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Primary eclipse of EF Dra timed at 2457749.44585 +/- 0.00038
O-C = 0.01640 based on the Krakow linear elements.

Secondary eclipse of EF Dra timed at 2457749.65604 +/- 0.00121
O-C = 0.01447 based on the Krakow linear elements.

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