Saros cycle series 109 for lunar eclipses occurred at the moon's descending node, 18 years 11 and 1/3 days. It contained either 71 or 72 events, depending on multiple calculations. Summary Lunar Saros series 109, repeating every 18 years and 11 days, had a total of 72 lunar eclipse events including 17 total lunar eclipses. List See also List of lunar eclipses List of Saros series for lunar eclipses Notes External links www.hermit.org: Saros 109 Lunar saros series