A penumbral eclipse of the Moon occurred on 6 January, 1721 BC UT Old Style, with maximum eclipse at 09:31 UT. This very subtle penumbral eclipse was essentially invisible to the naked eye; though it lasted 2 hours and 22 minutes, just 21% 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 22 minutes. Maximum eclipse was at 09:31:20 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 12th eclipse in lunar Saros series 26.The surrounding eclipses in this Saros series are:

This Saros series, lunar Saros series 26, is linked to solar Saros series 33. The nearest partner eclipses in that series are:

Eclipse Parameters

UT Date/time (max) 09:31:20 on 6 Jan UT TDT Date/time (max) 20:36:26 on 6 Jan TDT
Saros Series 26 Number in Series 12
Penumbral Magnitiude 0.2113 Central Magnitiude -0.8883
Gamma 1.4697 Path Width (km)
Delta T 11h05m Error ± 1h26m (95%)
Penumbral Duration 2h22m 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 22:11:38 UTC.