2020 TSE in Villarrica (Chile)
The next Total Solar Eclipse will occur on December 14, 2020. The path of Totality will pass over Chile and Argentina. I chose a location… Read More »2020 TSE in Villarrica (Chile)
July 2020
Summer Solstice Orientation at Stonehenge
The Stonehenge site is a prehistoric monument definitely oriented to the sunrise on the day of the Summer Solstice. Using the “Goto Equinoxes/Solstices Panel” in… Read More »Summer Solstice Orientation at Stonehenge
Version 0.9.9.93R Beta Bug Reporting [No More Online]
Please report here any bug found on this version as comment to this post. I’ll do the same.
2024 TSE in Plattsburgh, NY
Going NE from Buffalo, another place lying right in the middle of the totality path is Plattsburgh, more precisely West Plattsburgh, just North of Morrisonville.… Read More »2024 TSE in Plattsburgh, NY
2024 TSE in Buffalo, NY
These are the local circumstances, computed by Uruk_One, of the TSE that will take place in the USA as seen from Buffalo. I’m using a… Read More »2024 TSE in Buffalo, NY
2024 TSE in Dallas, TX
These are the local circumstances, computed by Uruk_One, of the TSE that will take place in the USA as seen from Dallas. Duration of Totality… Read More »2024 TSE in Dallas, TX
DE438 is ready
Well, the JPL DE438 is under test, few days and the new version will be out. This means that who’s gonna download the application will… Read More »DE438 is ready
About Nasa DeltaT algorithms recalibration
Why did I recalibrate the algorithms used by NASA computing DeltaT value for years preceeding 1 BCE?Basically because a number of ancient reports of total… Read More »About Nasa DeltaT algorithms recalibration
JPL DE 438
I’ve been studying this ephemeris for some time. It is useable from 1550 to 2650 CE only, but contains several improvements with respect to DE430… Read More »JPL DE 438
New dates shown in the maps
I have decided to reorganize how dates are shown into the new maps I’m working on, adding some additional information. From left to right: TDT… Read More »New dates shown in the maps
