Three positive chords were recorded for this event using video OSD technique.

View the updated prediction.

Observers:
  1    D Gault, Hawkesbury Heights,NSW,AU
  2    H Pavlov, E20 - Marsfield, NSW,AU
  3    S Russell, Leppington, NSW, AU
  4(P) Prediction, Feb 5
    

Discussion:

The circle above is plotted at the expected 129 km diameter of Zelinda. With three chords it we can have high confidence that all 3 observers were south of the central line of the event.

The figure below shows the light curve of the occultation measured by Dave Gault.

Observational Data:

Observation details for MP (654) Zelinda
By Star              TYC 4830-02507-1
On 2009-03-16  at 11:59:34.0

_______________________________

Observer   Stephen Russell
Location   Leppington, NSW, AU
Longitude  +150:48:32.4
Latitude   -33:57:7.4
Altitude   88 m
Datum      WGS84
Telescope Newtonian
Aperture   20 cm
Seeing     Slight flickering Clear
Timing     GPS - time inserted Video with frame analysis
Disappearance  11:59:20.66
Reappearance   11:59:41.50
Comments:

_______________________________

Observer   Dave Gault
Location   Hawkesbury Heights,NSW,AU
Longitude  +150:38:27.8
Latitude   -33:39:52.
Altitude   286 m
Datum      WGS84
Telescope Newtonian
Aperture   25 cm
Seeing     Steady Clear
Timing     GPS - time inserted Video with frame analysis
Disappearance  11:59:17.73
Reappearance   11:59:42.05
Comments: Telescope prepointed 1hour 55 minutes before the event.

_______________________________

Observer   Hristo Pavlov
Location   E20 - Marsfield, NSW,AU
Longitude  +151:06:11.5
Latitude   -33:46:13.8
Altitude   100 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   20 cm
Seeing     Steady Clear
Timing     GPS - time inserted Video with frame analysis
Disappearance  11:59:24.64
Reappearance   11:59:48.89
Comments: WAT 120N+ 8 frame integration +/- 0.16 sec