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OCCULTATION OF TYC 6307-00247-1 BY 305 Chigago
2014 July 14


Two chords were recorded using video OSD technique.

One clearly observed miss was recorded for this event.

View the updated prediction.

Observers:
  1(M) D Watson,Thornton near Whakatane, NZ 
  2    B Loader,Darfield                    
  3    G McKay,Blenheim, New Zealand        
  4(P) Prediction, 22 June                  

        

Chigago occultation__ 2014 July 14

Discussion:

The ellipse above is plotted at the best fit axis ratio as determined by Occult. With 2 chords we can be confident of the path of Chigago and that it was south of the predicted line.

The figure below shows Brian's Tangra light curve of the occultation.

Chigago occultation__ 2014 July 14

The figure below shows Graeme's Tangra light curve of the occultation.

Chigago occultation__ 2014 July 14

Observational Data:


Observation details for MP ( 334 ) Chicago
By Star              TYC 6307-00247-1 
On 2014-07-14  at 16:21:32.0

_______________________________

Observer   Diana Watson
Location   Thornton near Whakatane, NZ
Longitude  +176:51
Latitude   -37:55
Altitude   3 m
Datum      Other
Telescope SCT including Cass and Mak
Aperture  200 cm
Seeing     Strong flickering Clear
Camera Type  Visual         Other
Camera Delay 0.5
Timing     Tape Recorder + time signal Visual, no PE applied

Missed

Comments: Almost sure on correct star, because moon near, was faint 
and moisture  very thin cloud caused star to come and go, 
but I am almost certain that there was no positive results. 

_______________________________

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  WAT120N+       AAV-PAL
Camera Delay -0.07
Timing     GPS - time inserted Video with frame analysis
Disappearance  16:22:09.58
Reappearance   16:22:21.34
Comments: 94% moon at 29 elongation  
Report prepopulated by IOTA Reporting Add-in for OW ver.1.8

_______________________________

Observer   Graeme McKay
Location   Blenheim, New Zealand
Longitude  +173:57
Latitude   -41:32
Altitude   18 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   28 cm
Seeing     Steady Clear
Camera Type  WAT120N+       PAL/CCIR
Camera Delay -0.19
Timing     GPS - time inserted Video with frame analysis
Disappearance  16:21:52.62
Reappearance   16:22:01.68
Comments: Possible double star - more likely integration steps
 JT Remeasured with AOTA gives small change in times 
Report prepopulated by IOTA Reporting Add-in for OW ver.1.8

        

Return to 2014 occultation results



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