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+--- Thread: (42) Celestial Observation & Ephemeris Hb (/thread-15581.html)
(42) Celestial Observation & Ephemeris Hb - SlideRule - 09-13-2020 03:03 PM
A link to the 2008 Sokkia Celestial Observation Handbook and Ephemeris, with programs for the HP-42.
BEST!
SlideRule