While others might paint the wise men were amateur astronomers following Halley’s Comet, color me skeptical.
Sure, a 49212 x 26246 foot (15×8 km) ball of ice hurtling past the Earth at 157,838 mph (254,016 km/h) is impressive.
However, I doubt that this small solar system body (SSB), a.k.a. The Star of Bethlehem (TSB) even when when close enough to the Sun, displays a visible coma (and sometimes also a tail) could outshine the disco-ball brilliance of a ‘Multi-Color Bethlehem Lighting Indoor/Outdoor Christmas Standard Star Sphere‘ depicted here.
Your mileage — and velocity — may vary.