Observing with Street Lights

Observing with Street Lights
Dark sky sites not always necessary to see the Milky Way (This image was taken ouside of a B&B in Julian, CA)

Monday, June 2, 2025

Can we go out now and see Mars retrograde motion? No, you have to wait, but let's look at ephemeris data simulation

 Greetings from Palmia Observatory

During a recent PBS show "Ancient Skies" the Ptolemaic view of the universe described the use of epicycles to correct for the retrograde motion of Mars.  Can we go outside now and observe the motion?