A 3.5 second occultation was recorded by Chris Chad, using video OSD technique.
View the updated prediction.
Observers: 1 C Chad,Gunnedah, NSW 2(P) Prediction, 31 March
The circle above is plotted at the expected 79 km diameter of Silesia. With only one chord it is not possible to determine whether Chris was north or south of the central line of the event.
The figure below shows the Limovie/Tangra light curve of the occultation.
Observation details for MP ( 257 ) Silesia By Star TYC 6793-01654-1 On 2013-05-17 at 15:45:59.0 _______________________________ Observer Chris Chad Location Gunnedah, NSW Longitude +150:15 Latitude -30:59 Altitude 315 m Datum WGS84 Telescope Newtonian Aperture 25 cm Seeing Strong flickering Clear Camera Type Samsung SCB-2000 NTSC/EIA Camera Delay 0 Timing GPS - time inserted Video with frame analysis Disappearance 15:46:02.95 Reappearance 15:46:06.42 Comments: Unattended drift through video. Very clear event. Single frame delay (0.034s subtracted from times) Report prepopulated by IOTA Reporting Add-in for OW ver.1.7