A 0.60 second occultation was recorded by Jonathan Bradshaw, using video OSD technique.

View the updated prediction.

Observers:
  1    J Bradshaw,Samford, Qld, AU
  2(P) Prediction 20 March

    

Discussion:

The circle above is plotted at the expected 40 km diameter of Siri. With only one chord it is not possible to determine whether Jonathan was north or south of the central line of the event.

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

Observational Data:

Observation details for MP (332) Siri
By Star              UCA 2U26584283
On 2009-05-04  at 18:35:05.0

_______________________________

Observer   Jonathan Bradshaw
Location   Samford, Qld, AU
Longitude  +152:52:22.7
Latitude   -27:21:22.8
Altitude   92 m
Datum      WGS84
Telescope Dobsonian
Aperture   50 cm
Seeing     Steady Clear
Timing     GPS - time inserted Video with frame analysis
Disappearance  18:35:00.94
Reappearance   18:35:01.54
Comments: Recorded live, so 20ms subtracted fof camera lag