No, this is the level of accuracy that may be found in the lunar alignments. That's why it was a Golden Age and it's taken us this long - four thousand years - to unravel it. Our incredulity is just a mark of cultural arrogance.
The power that astrology still has over many people may be judged by the salaries of the tabloid astrologers (and the standard work on the influence of the fixed stars in the horoscope is by Vivian Robson).