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ASTROMETRIC UPDATE:
OCCULTATION BY (205) MARTHA - 1999 OCTOBER 24

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[Prediction by Edwin Goffin]

[Prediction using OCCULT software]

Goffin's prediction suggests a path across the centre of the South Island of New Zealand. OCCULT's path lies a little to the west.


UPDATE: 23 October 1999

This prediction update is supplied by Jan Manek of the Stefanik Observatory, Prague, and is based on USNO/Flagstaff astrometry for the minor planet and the ACT/TRC star position.

Summary:

The update astrometry moves the track about 0.5" to the east and slightly off New Zealand, with a time about 1 minute later than Goffin's prediction. However due to uncertainties all NZ observers should try for this event. Note that the almost Full Moon may complicate finding the target star.

  • Approx time for Auckland: 12h 50m 30s UT

    THE EVENT AT ONE GLIMPSE:

    The Occultation Path: Data for the target star: Data for the minor planet: Data for the event:

    Martha Update (October 24)

    IMPORTANT NOTE!

    Astrometric updates such as these should not be taken as definitive, but rather only as an indication of where the true track may lie relative to the original predicted track. Observers must bear in mind that later astrometry, in which the target star is measured in the same field as the asteroid, may still reveal substantial changes to the predicted track and time of the event. For this reason it is most important that observers far from the predicted track still monitor the event.

    Use these links for further information:
    [Planetary Occultations] [Using the Predictions]
    [Observing Details] [Timing Details] [Reporting Details] [Report Form]
    [Asteroid Occultation Results]


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