My humble codes for the simulation of the impact of satellite constellations on astronomical optical observations is available here for download. Feel free to download, use and modify it at your will. Simply, please, acknowledge the source in case of preparing any publication based on my work.
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Early times of the ROA-Montsec Baker-Nunn camera
I found among my archives the article by Michael R. Pearlman with title «Early Experience of the SAO Satellite-Tracking Program», originally published in EOS: Transactions of the American Geophysical Union –The Weekly Newspaper of Geophysics). This piece explains the origins of the world-wide network of fast photographic cameras set up in the fifties by the United States of America (the Smithsonian Astrophysical Observatory), for artificial satellite follow-up. The network played an interesting role in the early times of the research on orbital dynamics, and it got the first Western measurements of the orbits of Soviet spacecraft. The article includes the first Western image of Sputnik 1 (the booster, in fact).…
