Related Clues:

• Moon ___ (apt anagram of ASTRONOMER)
• Observer regularly censored very weird letters
• One gazing intently
• One who's looking
• Wrongly arrest rubberneck
• Impolite onlooker
• MOON __ (ASTRONOMER anagram)
• Watchful sort
• One watching Casualty in US chasing celebrity
• Wrongful arrest, one that's glaring