The most common and most likely answer to this crossword clue is the 7 letter word ARTEMIS
I've seen this crossword clue in Financial Times
A
R
T
E
M
I
S
More clues leading to the result ARTEMIS
- A broadcaster in Ireland, female, almost a goddess
- Goddess, second one, encountered sun god rising
- Diana, one experienced artist, repulsed society
- Painting eg Io from rear is one representation of moon!
- Lady hunter aims, their odds not looking good?
- Diana, smartie pants
- Goddess making a mister naughty
- Perilous remit as hunter
- Divine female‘s cunning is holding me back
- ‘Astarte’ mistakenly describing goddess
Buddy explains!
The straight part
We know that "one representation of moon" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one representation of moon = artemis.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.