Some such as () and (), as well as dwarf planet (), can sometimes be seen with binoculars (Vesta even with the naked eye), but these were not discovered till the early 19th century. At that time, , (), and the other two aforementioned asteroids were for a time regarded as planets. Although asteroids have been known to both astronomers and astrologers for more than 200 years, they are often ignored by astrologers. The tradition of som.
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