An examination of the Moon's Orbit, including its diversity and the movement of the nodes and apsides. What this means in terms of eclipses, how they differ from one another, and the "cycles" that are involved.

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About the speaker: Roy Gunson

Born 1950. Retired in 2011 after 32 years at Sheffield Hallam University, prior working in various Research Associations. Been an amateur astronomer since age 10 or so. Interested in History, a recreational wargamer and an interest in genealogy and history. Have been giving talks on Astronomy and associated historical topics since retirement. Currently Programme Co-ordinator of Mexborough & Swinton Astronomical Society.