If the Mane Six were represented by constellations, what will they be

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It should be something other than a Pony or its cutie mark.

 

For instance: Pinkie = a colorful, noisy flute. Rainbow = a deadly and fast spear. Flutters = a calm river lined with willow trees.

 

What are your ideas (as many as you like!) of each constellation for each member of the Mane Six, and how many stars should it have?