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- letter to Muehlberger: . summary of these targets . beginnings of glossary . updating sun angle, orbit groundtrack info - STS-2 CAP: when is new issue coming out (based on ~ 9/80 launch) - re-trace orbits during which 1) ground is in daylight 2) crew is awake - calculate sun angle + location for targets of interest in each orbit of interest - fold in window fields of view [what windows will be useful when ... ]