small constellation crossword clue

 The crossword clue "small constellation" can be asterism. An asterism is a pattern of stars that is not officially recognized as a constellation by the International Astronomical Union (IAU). However, some asterisms are very well-known and easy to identify, such as the Big Dipper and the Little Dipper. 

Here are some other possible answers for the crossword clue "small constellation":

6 letters: CLUSTER

7 letters: ASTERISM

8 letters: STAR PATTERN

9 letters: PATTERN OF STARS

10 letters: CONSTELLATION CLUSTER

I hope this helps!