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Old November 21st 10, 06:35 PM posted to sci.astro.satellites.visual-observe
Klaus Hagemeyer
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Default ISS in front of sun or moon

Does anybody know if (free!) software is available which could be used
to calculate when the ISS is visible in front of (i.e. hiding) the sun
or the moon, as function of the observer's position? Such a software
would require very exact knowledge of ISS ephemerides, probably updated
every few days. Does NASA publish the ISS ephemerides with the required
accuracy in the internet?