Hi Bill
Every bright disappeared, when I increased the magninfication (not just
below arcseconds, but much earlier)
As I reinstalled guide everything was fine...As also the isophotes were
not working correctly I assume a corrupt
file....nothing to worry anymore
thanks and cheers
Alex

Bill J Gray schrieb:

>Hi Alexander,
>
> Which star(s) in particular are disappearing? They ought
>to be maintained even when the field of view is .001 arcsecond.
>
> As Richard mentioned, when you "go to" a star, it's not
>necessarily centered exactly. For example, if you use Go To...
>Object Name and enter a name such as "Aldebaran", Guide will
>find the location of that star as of 1 January 2000 (no proper
>motion). I don't really consider this a big problem, but I've
>just fixed it anyway.
>
> When using "Go To... Star... Common Name", and clicking on
>a name in that list, Guide centers exactly on the star, with
>proper motion included.
>
> With orbital binary stars such as Sirius and Procyon, Guide
>centers on the center of mass of the stars. So it will be very
>close to the bright component, slightly offset toward the dimmer
>component.
>
>-- Bill
>
>
>
>
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