Possible Clues:

• Practical and loyal sort, astrologically
• Sign for most of September
• Sign of very independent move to crush queen
• Group of stars runs into Spanish port
• Star sign for people who are all 'extremely friendly and intelligent (except for you),' per Weird Al's 'Your Horoscope for Today'
• Beyonce's zodiac sign
• In Spanish port, a Republican sign
• Successor to Leo VI right to abdicate
• Late summer star sign
• The sixth sign of the zodiac