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A 1.9 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, Personal
Discussion:
The circle above is plotted at the expected 74 km diameter of Letaba. 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 Tangra light curve of the occultation.
Observational Data:
Observation details for MP (1264) Letaba
By Star UCA 2U27726634
On 2011-03-31 at 17:23:57.0
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Observer Jonathan Bradshaw
Location Samford
Longitude +152:50
Latitude -27:22
Altitude 80 m
Datum WGS84
Telescope Newtonian
Aperture 36 cm
Seeing Slight flickering Fog
Camera Type
Camera Delay
Timing GPS - time inserted Video with frame analysis
Disappearance 17:24:09.10
Reappearance 17:24:11.04
Comments: Personal prediction.
This was in the wee small hours with a fine layer of fog causing me
to use 12 frame integration to see the target with any degree of certainty.
The event was clearly seen 27 seconds after the predicted time.
Whilst the time resolution was poor, it's still nice to get back in the game in 2011!