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OCCULTATION OF UCAC4 257-117633 BY 927 Ratisbona
2014 September 13

A 3.3 second occultation was recorded by Dave Herald, using Video OSD technique.

No clearly observed misses were recorded for this event.

View the TT14 prediction.

  1    D Herald,Murrumbateman, NSW, AU      
  2(P) Prediction, TT14 30 August           


Ratisbona occultation__ 2014 September  13


The circle above is plotted at the expected 78 km diameter of Ratisbona. With only one chord it is not possible to determine whether Dave was north or south of the central line of the event.

The figure below shows the Tangra light curve of the occultation as analysed by AOTA.

Ratisbona occultation__ 2014 September  13

Observational Data:

Observation details for MP ( 927 ) Ratisbona
By Star              UCAC4 257-117633
On 2014-09-13  at 13:40:25.0


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     Slight flickering Clear
Camera Type  WAT910BD       PAL/CCIR
Camera Delay -0.06
Timing     GPS - time inserted Video with frame analysis
Disappearance  13:40:06.08
Reappearance   13:40:09.42
Comments:  Lightcurve from 13:39:00 to 13:40:48 
by Tangra v3.1.10 using AperturePhotometry/BackgroundMedian. 
Analysis by AOTA v4.1.2.1. 
Report prepopulated by IOTA Reporting Add-in for OW ver.1.8


Return to 2014 occultation results

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