incidently - Welcome Duane!
![Razz :P](./images/smilies/icon_razz.gif)
I did yesterday but it look almost the same so I'm not sure if the program is shifting the stars (it says it is) so I'm going to try again with Barnard's Star as that's got a high proper motion.....craterchains wrote:Empeda
Were you able to find that retrograde program for the stars positions 6000 years ago?