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OCCULTATION OF UCAC2 38414515 BY 275 Sapientia
2011 December 31

A 4.2 second occultation was recorded by John Drummond, using Video OSD technique.

View the personal prediction. 

Observers:
  1    J Broughton,Reedy Creek, QLD, AU
  2(P) Prediction, Personal

Sapientia occultation - 2011 December 31

Discussion:

The circle above is plotted at the expected 121 km diameter of Sapientia. With only one chord it is not possible to determine whether John was north or south of the central line of the event.

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

Sapientia occultation - 2011 December 31

Observational Data: 

Observation details for MP ( 275 ) Sapientia
By Star              UCAC2 38414515
On 2011-12-31  at 17:01:19.0

_______________________________

Observer   John Broughton
Location   Reedy Creek, QLD, AU
Longitude  +153:23
Latitude   -28:06
Altitude   66 m
Datum      WGS84
Telescope Newtonian
Aperture   32 cm
Seeing     Slight flickering Clear
Camera Type  WAT120N        PAL/CCIR
Camera Delay 0.17
Timing     GPS - time inserted Video with frame analysis
Disappearance  17:01:16.83
Reappearance   17:01:20.99
Comments:

Return to 2011 occultation results


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