MOON __ (ASTRONOMER anagram) (6)
I believe the answer is:
starer
(Other definitions for starer that I've seen before include "keen viewer" , "looker" , "Person gawping" , "One gazing intently" .)
I've seen this clue in the Newsday.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.