Solar Eclipse Prime Page
Total Solar Eclipse of -1556 Aug 31 (1557 Aug 31 BCE)
Fred Espenak
Introduction
The Total Solar Eclipse of -1556 Aug 31 (1557 Aug 31 BCE) is visible from the geographic regions shown on the map to the right. Click on the map to enlarge it. For an explanation of the features appearing in the map, see Key to Solar Eclipse Maps.
The instant of greatest eclipse takes place on -1556 Aug 31 at 09:09:31 TD (23:05:29 UT1). This is 0.7 days after the Moon reaches perigee. During the eclipse, the Sun is in the constellation Virgo. The synodic month in which the eclipse takes place has a Brown Lunation Number of -43021.
The eclipse belongs to Saros 39 and is number 10 of 72 eclipses in the series. All eclipses in this series occur at the Moons ascending node. The Moon moves southward with respect to the node with each succeeding eclipse in the series and gamma decreases.
This total eclipse is unsual in that it does NOT have a northern path limit. Instead, one edge of the umbral shadow falls off into space throughout the eclipse. Gamma has a value of 0.9893.
The total solar eclipse of -1556 Aug 31 is preceded two weeks earlier by a total lunar eclipse on -1556 Aug 16.
These eclipses all take place during a single eclipse season.
The eclipse predictions are given in both Terrestrial Dynamical Time (TD) and Universal Time (UT1). The parameter ΔT is used to convert between these two times (i.e., UT1 = TD - ΔT). ΔT has a value of 36241.9 seconds for this eclipse. The uncertainty in ΔT is 2076.2 seconds corresponding to a standard error in longitude of the eclipse path of ± 8.67°.
The following links provide maps and data for the eclipse.
- Orthographic Map: Total Solar Eclipse of -1556 Aug 31 - global map of eclipse visibility
- Google Map: Total Solar Eclipse of -1556 Aug 31 - interactive map of the eclipse path
- Path Table: Total Solar Eclipse of -1556 Aug 31 - coordinates of the central line and path limits
- Circumstances Table: Total Solar Eclipse of -1556 Aug 31 - eclipse times for hundreds of cities
- Saros 39 Table - data for all eclipses in the Saros series
The tables below contain detailed predictions and additional information on the Total Solar Eclipse of -1556 Aug 31 .