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OCCULTATION OF UCAC4 277-066808 BY 702 Alauda
2017 February 15

A 13.6 second occultation was recorded by Brian Loader, using a video recording setup.

No other reports were received for this event.

View the prediction.

  1    B Loader,Darfield, New Zealand       
  2(P) Prediction                           


Alauda occultation__ 2017 February 15


The circle above is plotted at the expected 202 km diameter of Alauda. With only one chord it is not possible to determine whether Brian was east or west of the central line of the event. The circle has been plotted on the observed chord .

The figure below shows the Tangra light curve of the occultation.

Alauda  occultation__ 2017 February 15

Observational Data:

Observation details for MP ( 702 ) Alauda
By Star              UCAC4 277-066808
On 2017-02-15  at 13:34:52.0


Observer   B. Loader
Location   Darfield
Longitude  +172:06
Latitude   -43:28
Altitude   210 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   25 cm
Seeing     Steady Clear 
Camera Type  WAT910BD       AAV-PAL       
Camera Delay 
Timing     GPS - time inserted Video with frame analysis
Disappearance  13:34:57.19
Reappearance   13:35:10.79
Comments:  Lightcurve from 13:33:56 to 13:36:16 by Tangra v3.6.3 using AperturePhotometry/AverageBackground. Analysis by AOTA v4.2.5.0. Report prepopulated by IOTA Reporting Add-in for OW ver.1.8


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