>>Employing the most recent measures for Vega’s proper motion into the long-term calculations for its motion in the sky, we see that Vega achieved its highest declination of 86.54 degrees around 12,070 BCE.Laird Scranton wrote:<<
So it seems that my Starry Night software might not have the latest proper motion data for Vega. I wonder is similar data for other stars like Deneb or Arcturus is also inaccurate for such time distances. I don't know if there is any commercial astronomy software with this type of accuracy.
Post Edited (21-Mar-13 19:17)