A 4 second occultation was recorded by Brian Loader, using an SCT Telescope and Watec 910BD camera.

View the IOTA update.

Observers:
   1    B Loader, Darfield, Canterbury, New Zealand
         



       

Discussion:

The DAMIT model above is plotted at the expected diameter of Gersuind. With only one chord, it is not possible to tell if Brian was north or south of the centre line of the event. The model has been plotted centred on the observed chord.

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

Name:

Observational Data:

Observation details for MP ( 686 ) Gersuind
By Star              UCAC4 375-076888
On 2017-06-19  at 08:10:24.0

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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     Slight flickering Clear 
Camera Type  Watec 910BD    AAV-PAL       
Camera Delay 
Timing     GPS - time inserted Video with frame analysis
Disappearance  08:10:08.86
Reappearance   08:10:13.18
Comments: ca 13 sec earlier than expected, predicted time error 4 seconds

 Event looks reasonably certain.  Report prepopulated by IOTA Reporting Add-in for OW ver.1.8