A penumbral eclipse of the Moon occurred on 18 May, 0911 BC UT Old Style, with maximum eclipse at 00:19 UT. This very subtle penumbral eclipse was essentially invisible to the naked eye; though it lasted 2 hours and 31 minutes, just 28% of the Moon's disc was in partial shadow (with no part of it in complete shadow).

The penumbral eclipse lasted for 2 hours and 31 minutes. Maximum eclipse was at 00:19:50 UT.

Overview Map

This map sourced from NASA Goddard Space flight Center: GSFC Eclipse Web SiteGSFC Eclipse Web Site
The primary source of all the information on eclipses presented here at Hermit Eclipse. (NASA Goddard Space flight Center)
https://eclipse.gsfc.nasa.gov/eclipse.html
shows the visibility of the eclipse. (Click on it for the full-sized version.)

Eclipse Season and Saros Series

This eclipse season contains 3 eclipses:

This eclipse belongs to lunar Saros series 16.The surrounding eclipses in this Saros series are:

This Saros series, lunar Saros series 16, is linked to solar Saros series 23. The nearest partner eclipses in that series are:

Eclipse Parameters

UT Date/time (max) 00:19:50 on 18 May UT TDT Date/time (max) 06:55:07 on 18 May TDT
Saros Series 16 Number in Series
Penumbral Magnitiude 0.2805 Central Magnitiude -0.7362
Gamma -1.4092 Path Width (km)
Delta T 6h35m Error ± 19m28s (95%)
Penumbral Duration 2h31m Partial Duration
Total Duration
Partial Rating Total Rating

Note that while all dates and times on this site (except where noted) are in UT, which is within a second of civil time, the dates and times shown in NASA's eclipse listingsGSFC Eclipse Web Site
The primary source of all the information on eclipses presented here at Hermit Eclipse. (NASA Goddard Space flight Center)
https://eclipse.gsfc.nasa.gov/eclipse.html
are in the TDT timescale.

Data last updated: 2015-06-21 22:11:40 UTC.