Timezone / Date

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Accuracy

Due to the erratic rotation of the Earth, the time and location of the eclipse cannot be forecast perfectly. This eclipse's time is estimated to be accurate ± 1h41m (with 95% confidence). This equates to an error in longitude of ± 25 degrees, or around ± 2786 km (1731 miles) at the latitude of greatest eclipse.

A total eclipse of the Moon occurred on 18 April, 1839 BC UT Old Style, with maximum eclipse at 11:52 UT. The Moon was plunged into darkness for 1 hour and 34 minutes, in a deep total eclipse which saw the Moon 57% of its diameter inside the Earth's umbral shadow. The visual effect of this depends on the state of the Earth's atmosphere, but the Moon may have been stained a deep red colour. The partial eclipse lasted for 3 hours and 31 minutes in total.

The penumbral eclipse lasted for 5 hours and 20 minutes. The partial eclipse lasted for 3 hours and 31 minutes. The total eclipse lasted for 1 hour and 34 minutes. Maximum eclipse was at 11:52:01 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 2.The surrounding eclipses in this Saros series are:

This Saros series, lunar Saros series 2, is linked to solar Saros series 9. The nearest partner eclipses in that series are:

Eclipse Parameters

UT Date/time (max) 11:52:01 on 18 Apr UT TDT Date/time (max) 23:42:07 on 18 Apr TDT
Saros Series 2 Number in Series
Penumbral Magnitiude 2.5186 Central Magnitiude 1.5653
Gamma -0.1721 Path Width (km)
Delta T 11h50m Error ± 1h41m (95%)
Penumbral Duration 5h20m Partial Duration 3h31m
Total Duration 1h34m
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.