A 13.8 second occultation was recorded by Steve Kerr, using Video OSDtechnique.

View the updated prediction.

Observers:
  1    S Kerr,Rockhampton,QLD,AU
  2(P) Prediction ,  16 Apr

    

Discussion:

The circle above is plotted at the expected 124 km diameter of Thia. With only one chord it is not possible to determine whether Steve was north or south of the central line of the event.

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

Observational Data:

Observation details for MP (405) Thia
By Star              TYC 6859-01200-1
On 2011-05-01  at 15:32:00.0

_______________________________

Observer   S. Kerr
Location   Rockhampton,QLD,AU
Longitude  +150:30
Latitude   -23:16
Altitude   50 m
Datum      Other
Telescope SCT including Cass and Mak
Aperture   30 cm
Seeing     Steady Clear
Camera Type
Camera Delay
Timing     GPS - time inserted Video with frame analysis
Disappearance  15:31:51.49
Reappearance   15:32:05.33
Comments: Watec camera integrating at 80ms.  Report
prepopulated by IOTA Reporting Add-in for OW ver.1.4