Re: TLEs for ASTRA 1F

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On Fri, 21 Nov 1997, Johannes Mueller wrote:
> Jay Respler replied to Bruno Tilgner:
> >I've seen many sync sats, but there are also many I have not seen when I 
> >looked for them.  I thought it was because they were too faint.
> 
> One reason for this could be the observing time. Geosyncs change in
> brightness which depends on the sun-observer-satellite angle (the
> Astras do so).

I do take that into consideration.  Using HIGHFLY, I make predictions for 
every sync sat every 10 minutes through the night.  I look for each one 
at the time of maximum predicted brightness.  Therefore, time and all 
angles are accounted for.


 Jay Respler
--
              JRespler@InJersey.com  
        www.injersey.com/Media/SkyNotes/
    Satellite Tracker * Early Typewriter Collector
               Freehold, New Jersey

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