A 5.16 second occultation was recorded by Bill Allen, using drift scan technique.

View the updated prediction.

Observers:
  1    B Allen,Blenheim, NZ
  2(P) Prediction ,  16 April

    

Discussion:

The circle above is plotted at the expected 60 km diameter of Echo. With only one chord it is not possible to determine whether Bill was north or south of the central line of the event.

Observational Data:

Observation details for MP (60) Echo
By Star              UCAC2 24944494
On 2011-05-12  at 14:59:15.0

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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 Thin cloud < 2
Camera Type
Camera Delay
Timing     Tape Recorder + time signal Drift scan
Disappearance  14:59:21.86
Reappearance   14:59:27.02
Comments: Duration of the occultation was 5.16 seconds.
The drop in magnitude was 0.5 but clearly identified.
Timer box synchronised with BepperSync to 0.01 seconds