A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Planet positions and light travel time
From: Robert Bernecky
Date: 2017 Dec 17, 15:38 -0800
The short answer is that the positions are corrected for speed of light (and other subtle effects). I think the Astronomical Almanac describes the various corrections in its appendices.
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