--- In guide-user@y..., Bill J Gray <pluto@p...> wrote:

> About the asteroid occultation path: Guide can produce _very_

wrong

> paths for these, unfortunately. To get it right, you generally

have

> to get some high-precision astrometry for the object (Ron Stone at

USNO

> is now producing quite a bit of this), feed it through Find_Orb,
> get a very exact orbit with an epoch close to that of the event,

and

> feed it to Guide. After all that, you will get about as good an
> occultation prediction as is currently possible.

Steve Preston, who generates the asteroidal occultations for IOTA,
sometimes uses Guide to produce path maps/star charts, to accompany
the path maps/star charts generated by Occult.

Here is a link to a past event where he used Guide:
http://www.oz.net/~stevepr/Asteroids/2001_09/S04_338.htm

I believe he belongs to this maillist. Maybe he can give some
insight.