A penumbral eclipse of the Moon occurred on 21 August, 1761 BC UT Old Style, with maximum eclipse at 19:57 UT. This very subtle penumbral eclipse was essentially invisible to the naked eye; though it lasted 2 hours and 55 minutes, just 34% 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 55 minutes. Maximum eclipse was at 19:57:58 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 was the 4th eclipse in lunar Saros series 29.The surrounding eclipses in this Saros series are:

This Saros series, lunar Saros series 29, is linked to solar Saros series 36. The nearest partner eclipses in that series are:

Eclipse Parameters

UT Date/time (max) 19:57:58 on 21 Aug UT TDT Date/time (max) 07:17:57 on 22 Aug TDT
Saros Series 29 Number in Series 4
Penumbral Magnitiude 0.3405 Central Magnitiude -0.7385
Gamma -1.3937 Path Width (km)
Delta T 11h20m Error ± 1h31m (95%)
Penumbral Duration 2h55m 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. For this eclipse, this makes the date shown on this site different to NASA's date.

Data last updated: 2015-06-21 22:11:38 UTC.