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Orion’s Footstool

GenitiveEridani / Orionis
AbbreviationEri / Ori
Right Ascension5h02 to 5h18
Declination-9° 44' to -5° 4'
Area (sq deg)7.4
Brightest StarCursa
Optimum VisibilityDecember
NotesA group of four stars dominated by Cursa or Beta Eridani (whose name translates as 'footstool of Orion'), this asterism also incorporates Psi and Lambda Eridani, as well as Tau Orionis near Rigel. The four stars enclose a large but faint band of interstellar dust, IC 2118, commonly known as the Witch Head Nebula.

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