Here is the sky for Austin, Texas, during the April 8 eclipse. Continue reading “Dome rebuilt”
Category: programming
If the Sun steps here
It occurred to me, while I was watching Sisyphus Continue reading “If the Sun steps here”
Comets of 2024
The “hairy stars” have been absent from the last few Astronomical Calendars – as some readers have lamented! Continue reading “Comets of 2024”
Heads and horizons
Today is Rosh Hashanah, “head of the year,” Continue reading “Heads and horizons”
Lost-shadow time
Saturn is at opposition on Sunday, August 8. Continue reading “Lost-shadow time”
Electric poetry
People quite often ask: “What software do you use, to make these astronomical charts and predictions? Can I find it, or obtain it from you?” Continue reading “Electric poetry”
More about Allocentrics
That is, the positions and brightnesses of stars as seen from viewpoints other than our own. Continue reading “More about Allocentrics”
Allocenters
The nearest star, beyond the Sun, is Continue reading “Allocenters”
Planet parade
All five naked-eye planets are lined up in the morning sky, in their order outward from the Sun. This is a fairly rare situation, and it will persist for an unusually long time, t Continue reading “Planet parade”
Conundrums cosmic and comic
Here comes an improvement to my diagram of our motions in space.