Technical Details of the true-limb Eclipse Path Determination Much interest has been generated by the precise map of the path of the 2024 April 8th Total Solar Eclipse […]
Technical Details of the true-limb Eclipse Path Determination Read more »
Path of the 2024 April 8th Total Solar Eclipse – by John Irwin The position of the umbral shadow path across North America has been accurately determined by
Path of the 2024 April 8th Total Solar Eclipse Read more »
The average time span between totalities from a given place is ca. 375 year, with a minimum just under 6 months and the longest and maximum of ca.
Time span between totalities from a given place Read more »
IERS has just announced that no leap second will be inserted into UTC at the end of December 2022 (https://datacenter.iers.org/data/latestVersion/16_BULLETIN_C16.txt). The number of inserted leap seconds (since the
Leap second, dUT1 and future eclipses Read more »
The Earth’s rotational rate is ever changing, due to a series of factors, mainly the effect of tidal friction caused by the Moon and the effect of the
Leap Second: will there be one before the 2023 AT eclipse? Read more »
Dependency on the value of the solar radius of eclipse duration (2017 August 21st total solar eclipse – from Vale, Oregon) The value of the solar radius at
The solar radius and its impact on eclipse computations Read more »
This article provides the description of an experimental technique to accurately time internal contacts, applied to the Total Solar Eclipse of Nov 3rd 2013.
