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My second exoplanet detection

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About this observation
Observer
Dave Smith
Time of observation
05/05/2018 - 00:00
Object
Qatar-1b
Observing location
Maldon
Equipment
William Optics Megrez 90 with 0.8x FR
Atik 460EX mono camera
Johnson V filter
Exposure
multiple 120s
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The red lines show approximately the predicted start and finish times of the transit. i.e. 21:41 start and 23:18 finish UT.
The predicted drop in magnitude was 0.0204 mag. The difference between my measurements averaged is 0.017 mag which I am very happy with. 

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