A 5.16 second occultation was recorded by John Broughton, using video technique.

He also clearly observed a miss from a second station for this event.

View the updated prediction.

Observers:
  1(M) J Broughton,Reedy Creek, QLD, AU
  2    J Broughton,Broadwater, NSW, AU
  3(P) Prediction 8 Jan


    

Discussion: The circle above is plotted at the expected 219 km diameter of Alauda. With 1 chord and the constraining miss we can be confident of the path of Alauda and that it was south of the predicted line.

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

Observational Data:

Observation details for MP (702) Alauda
By Star              UCAC2 21315053
On 2011-02-28  at 15:48:20.0

_______________________________

Observer   John Broughton
Location   Reedy Creek, QLD, AU
Longitude  +153:23
Latitude   -28:06
Altitude   66 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   25 cm
Seeing     Steady Clear
Camera Type
Camera Delay
Timing     GPS - time inserted Video with frame analysis

Missed

Comments: WAT120N+ x8

_______________________________

Observer   John Broughton
Location   Broadwater, NSW, AU
Longitude  +153:27
Latitude   -29:02
Altitude   20 m
Datum      WGS84
Telescope Newtonian
Aperture   31 cm
Seeing     Steady Clear
Camera Type
Camera Delay
Timing     GPS - other linking Video with frame analysis
Disappearance  15:48:11.94
Reappearance   15:48:17.10
Comments: WAT120N+, x8 integration, -0.19 correction applied