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Original article appears in GuideStar May, 2017.

By: Steve Goldberg

Asterism: a grouping of stars that form a recognizable pattern.

Constellation: Bootes

Right Ascension: 14 h 15 m 01 s

Declination: 18o 30’ 46”

Magnitude: 9 to 10                                         


This asterism is composed of 7 stars in the shape of Napoleon’s Hat. This asterism is located very near the star Arcturus in the constellation Bootes.


French Astronomer Fulbert Picot discovered this interesting seven star grouping. Some listings call it Picot 1 or Napoleon's Hat, since it resembles the famous divan.