A partial eclipse of the Moon occurred on 20 February, 1641 BC UT Old Style, with maximum eclipse at 10:40 UT. The Earth's shadow on the moon was clearly visible in this eclipse, with 21% of the Moon in shadow; the partial eclipse lasted for 1 hour and 48 minutes.
The penumbral eclipse lasted for 5 hours and 9 minutes.
The partial eclipse lasted for 1 hour and 48 minutes.
Maximum eclipse was at 10:40:11 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)
shows the visibility of the eclipse. (Click on it for the
full-sized version.)
Eclipse Season and Saros Series
This eclipse season contains 2 eclipses:
This eclipse belongs to lunar Saros series -3.The surrounding eclipses in this Saros series are:
This Saros series, lunar Saros series -3,
is linked to solar Saros series 4. The
nearest partner eclipses in that series are:
Eclipse Parameters
| UT Date/time (max) | 10:40:11 on 20 Feb UT |
TDT Date/time (max) | 21:15:30 on 20 Feb TDT |
| Saros Series | -3 |
Number in Series | |
| Penumbral Magnitiude | 1.2807 |
Central Magnitiude | 0.2052 |
| Gamma | 0.8803 |
Path Width (km) | |
| Delta T | 10h35m |
Error | ± 1h17m (95%) |
| Penumbral Duration | 5h09m |
Partial Duration | 1h48m |
| 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)
are in the TDT timescale.
Data last updated: 2015-06-21 22:11:39 UTC.
