Further resources for deeper exploration (written in a comment as I hit my word cap in the article):
http://www.askelm.com/star/star001.htm "The Star of Bethlehem in History," an excerpt from a longer work on the Star, going into much greater depth on the discovery of Jupiter's unique actions in 3-2 BC. Written by Dr. Ernest L. Martin.
https://bethlehemstar.com/ Rick Larson packages much of the research into a captivating 1-hour DVD, also presenting the information in a series of blog posts on this site. Not as technical as Dr. Martin's work, making it more accessible to the general public.
Both these works informed my article above, but all the words and graphics are my own.