Pi Orionis (π Ori, π Orionis) is a group of fairly widely scattered stars in the constellation Orion that constitute the asterism Orion's Shield or Orion's Bow.astrofoto.org, "Orion: The Hunter" , Roland B. Roberts

They form an exception to the general rule that stars that share the same Bayer designation are close together: π1 is nearly 9° north of π6 (Tau Eridani is an even more noteworthy example of this).

π1 Ori (7 Orionis) π2 Ori (2 Orionis) π3 Ori (1 Orionis) π4 Ori (3 Orionis) π5 Ori (8 Orionis, forms a visual double with 5 Orionis) π6 Ori (10 Orionis)

All of them were member of asterism 參旗 (Shēn Qí), Banner of Three Stars, Net mansion. AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 (Astronomy Education News) 2006 年 7 月 13 日 (2006-07-13)

See also Orion's Belt Orion's Sword

References