Maybe a little nitpicky... I just thought I would expound upon a point mentioned in the paper.

"The earliest known star maps... 18th dynasty... Senenmut" (Page 2)
vs.
[www.culturediff.org]
"From the First Intermediate Period and the Middle Kingdom (2200 - 1800 before our era) come twenty or so wooden sarcophagi on the interior lid of which were painted diagrams whose study reveals that they were indeed star clocks then used to tell the hours of the night."