A 12.5 second occultation was recorded by Dave Herald, using video OSD technique.

One clearly observed misses were recorded for this event.

View the TT14 prediction.

Observers:
  1(M) D Hooper,Melbourne, Australia        
  2    D Herald,Murrumbateman, NSW, AU      
  3(P) Prediction TT14  Feb 26                          


        

Discussion:

The circle above is plotted at the expected 89 km diameter of Edna. With only one chord it is not possible to determine whether Dave was north or south of the central line of the event. However, assuming the updated prediction was approximately correct the plot suggests that that the chord might lie within 25km of the central portion of the asteroid.

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

Observational Data:

Observation details for MP ( 445 ) Edna
By Star              UCAC4 495-048712
On 2015-03-13  at 11:26:55.0

_______________________________

Observer   Dean Hooper
Location   Melbourne,VIC, Australia
Longitude  +145:00
Latitude   -37:56
Altitude   28 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   20 cm
Seeing     Steady Thin cloud < 2 
Camera Type  WAT910HX       PAL/CCIR      
Camera Delay -0.33
Timing     GPS - time inserted Video with frame analysis

Missed

Comments: Light curve data generated and inspected using Tangra v3.3.8  

_______________________________

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 -0.05
Timing     GPS - time inserted Video with frame analysis
Disappearance  11:25:36.86
Reappearance   11:25:49.34
Comments:  Lightcurve from 00:00:00 to 11:27:29 by Tangra v3.3.8 
using AperturePhotometry/AverageBackground. Analysis by AOTA v4.1.4.4. 
Report prepopulated by IOTA Reporting Add-in for OW ver.1.8