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OCCULTATION OF UCAC4 288-099974 BY 508 Princetonia

An 8 second occultation was recorded by Brian Loader, using an SCT Telescope and Watec 910BD camera.

View the IOTA update.

  1    B Loader, Darfield, Canterbury, New Zealand
  2(P) Prediction- IOTA Feed                



Princetonia occultation__ 20160607


The circle above is plotted at the expected diameter of Princetonia. With only one chord it is not possible to determine whether Brian was north or south of the central line of the event. The circle has been plotted on the observed chord .

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

Princetonia  occultation__ 20160607

Observational Data:

Observation details for MP ( 508 ) Princetonia
By Star              UCAC4 288-099974
On 2016-06-07  at 07:27:02.0


Observer   B. Loader
Location   Darfield
Longitude  +172:06
Latitude   -43:28
Altitude   210 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   25 cm
Seeing     Steady Clear 
Camera Type  Watec 910BD    NTSC/EIA      
Camera Delay 
Timing     GPS - time inserted Video with frame analysis
Disappearance  07:27:01.86
Reappearance   07:27:09.70
Comments: Occult prediction announced in OW  Report prepopulated by IOTA Reporting Add-in for OW ver.1.8

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