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OCCULTATION OF TYC 0265-00291-1 BY 107 Camilla
2014 March 13


Three positive observations were recorded for this event. One suggests possible duplicity of the star but this not supported by other data.

Two clearly observed misses were recorded for this event.

View the updated prediction.

Observers:
  1(M) B Loader,Darfield,NZ                 
  2    J Broughton,Reedy Creek, QLD, AU     
  3    J Broughton,Pottsville, NSW, AU      
  4    B Allen,Blenheim, NZ                 
  6(M) W Hanna,Alice Springs, Australia     
  7(M) D Herald,Murrumbateman, NSW, AU      
  8(P) Prediction, Mar 01                   


        

Camilla occultation - 2014 March 13

Discussion:

The ellipse above is plotted at the best fit to the 3D shape model of Camilla. The ellipse above is plotted at the maximum axis With 4 chords we would normally be confident of the path of Camilla and that it was south of the predicted line. However in this case the DAMIT 3D model has been overlaid on the circle and shows poor to reasonable fit when the chords are plotted at either the top, bottom or middle of the object. The astrometrical error is minimised by choosing the middle version shown above.

Observational Data:

Observation details for MP ( 107 ) Camilla
By Star              TYC 0265-00291-1 
On 2014-03-13  at 13:47:50.0

_______________________________

Observer   B. Loader
Location   Darfield,NZ
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  WAT120N+       PAL/CCIR
Camera Delay -0.19
Timing     GPS - time inserted Video with frame analysis

Missed

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

_______________________________

Observer   John Broughton
Location   Reedy Creek, QLD, AU
Longitude  +153:23
Latitude   -28:06
Altitude   66 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   25 cm
Seeing     Steady Broken cloud
Camera Type  WAT120N+       PAL/CCIR
Camera Delay -0.19
Timing     GPS - time inserted Video with frame analysis
Disappearance  13:49:51.43
Reappearance   13:50:06.47
Comments:   

_______________________________

Observer   John Broughton
Location   Pottsville, NSW, AU
Longitude  +153:33
Latitude   -28:23
Altitude   7 m
Datum      WGS84
Telescope Newtonian
Aperture   32 cm
Seeing     Steady Broken cloud
Camera Type  WAT120N+       PAL/CCIR
Camera Delay -0.19
Timing     GPS - other linking Video with frame analysis
Disappearance  13:49:49.15
Reappearance   13:50:03.23
Comments:   

_______________________________

Observer   Bill Allen
Location   Blenheim, NZ
Longitude  +173:50
Latitude   -41:29
Altitude   38 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   40 cm
Seeing     Steady Clear
Camera Type  WAT120N+       PAL/CCIR
Camera Delay 1.31
Timing     GPS - time inserted Video with frame analysis
Disappearance  13:47:39.36
Reappearance   13:47:49.64
Comments: Datum NZ1949 (topographical map) Clear night no wind moon up 

_______________________________

Observer   William Hanna
Location   Alice Springs, Australia
Longitude  +133:53
Latitude   -23:42
Altitude   584 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   20 cm
Seeing     Steady Clear
Camera Type  Grasshopper Express with ADVS              ADVS
Camera Delay 0
Timing     GPS - time inserted Video with frame analysis

Missed

Comments: gamma 1.0, gain 29dB  

_______________________________

Observer   Dave Herald
Location   Murrumbateman, NSW, AU
Longitude  +148:59
Latitude   -34:57
Altitude   594 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   40 cm
Seeing     Steady Clear
Camera Type  WAT910BD       PAL/CCIR
Camera Delay -0.04
Timing     GPS - time inserted Video with frame analysis

Missed

Comments:  Lightcurve from 13:48:32 to 13:51:01 by Tangra v3.0.85 using AperturePhotometry/BackgroundMedian. 
Analysis by AOTA v4.1.0.26. Report prepopulated by IOTA Reporting Add-in for OW ver.1.8

        

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