Again, as you look out from the front (morning) side of our hurtling planet, you see Continue reading “Last-quarter Moon how many hours ahead?”
Category: programming
Future Earths
You are standing on our planet, gazing forward Continue reading “Future Earths”
Dome rebuilt
Here is the sky for Austin, Texas, during the April 8 eclipse. Continue reading “Dome rebuilt”
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”