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OCCULTATION OF UCAC4 282_173851 BY 10199 Chariklo
20160815


A 10 second occultation was recorded by Brian Loader, using an SCT Telescope and Watec 910BD camera.

Four misses were recorded for this event.

There was no updated prediction for this event.

Observers:
  1(M) R Horvat & others, Linden Observatory, New South Wales, Australia
  2(M) S Kerr, Rockhampton, Queensland, Australia      
  3    B Loader, Darfield, Canterbury, New Zealand
  4(M) J Milner, Bayswater, Victoria, Australia
  5(M) J Newman, Flynn, Australian Capital territory, Australia

         



       

Chariklo occultation__ 20160815

Discussion:

The circle above is plotted at the expected diameter of Chariklo. The circle has been plotted to fit the observed chord.

Observations were made at the limits of the equipment used, and should be viewed with caution.

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

Chariklo  occultation__ 20160815

Observational Data:

Observation details for MP ( 10199 ) Chariklo
By Star              UCAC4 282-173851
On 2016-08-15  at 11:41:37.0

_______________________________

Observer   Rob Horvat, Bob Paton, Lachlan Davis, and Dave Gault
Location   Linden Observatory - Evans30
Longitude  +150:29
Latitude   -33:42
Altitude   574 m
Datum      WGS84
Telescope Newtonian
Aperture   76 cm
Seeing     Steady Clear Moon
Camera Type  Grasshopper Express with ADVS              ADVS          
Camera Delay 
Timing     GPS - time inserted Video with frame analysis

Missed

Comments:    

_______________________________

Observer   Stephen Kerr
Location   Rockhampton, Qld, Australia
Longitude  +150:30
Latitude   -23:16
Altitude   50 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   30 cm
Seeing     Slight flickering Clear Severe wind shake
Camera Type  Watec 910BD    PAL/CCIR      
Camera Delay 
Timing     GPS - time inserted Video with frame analysis

Missed

Comments:   Report prepopulated by IOTA Reporting Add-in for OW ver.1.8

_______________________________

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 Moon lit sky
Camera Type  Watec 910BD    AAV-PAL       
Camera Delay 
Timing     GPS - time inserted Video with frame analysis
Disappearance  11:38:32.42
Reappearance   11:38:42.66
Comments: A "likely" event.  The star disappeared from view on the video for 4 integrated frames.    Poor contrast image due to 90% moon 20° from star. 
Confirmation from another observation very desirable. Report prepopulated by IOTA Reporting Add-in for OW ver.1.8 _______________________________ Observer Jacquie Milner Location Bayswater, Vic, AU Longitude +145:14 Latitude -37:50 Altitude 110 m Datum WGS84 Telescope SCT including Cass and Mak Aperture 20 cm Seeing Steady Clear light breeze Camera Type Mintron 12v1C-EX PAL/CCIR Camera Delay Timing GPS - time inserted Video with frame analysis Missed Comments: The target star was close to the limits of my set-up but I am certain that it was detected on the recording.
A light breeze made analysis difficult, but visual examination does not indicate that any occultation occurred. Report prepopulated by IOTA Reporting Add-in for OW ver.1.8 _______________________________ Observer John Newman Location Flynn, ACT, AU Longitude +149:02 Latitude -35:11 Altitude 657 m Datum WGS84 Telescope other - specify below Aperture 41 cm Seeing Steady Clear Camera Type Watec 910BD PAL/CCIR Camera Delay Timing GPS - time inserted Video with frame analysis Missed Comments: Report prepopulated by IOTA Reporting Add-in for OW ver.1.8

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