Andrew Cooper
May 21, 2022    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 6 Transparency: 6.5 Moon: 0%

A very distinctive 4' long pattern of four 8-9th magnitude stars forming an "arrow" pointing at M104 the Sombrero Galaxy, 22' west of M104

Andrew Cooper
May 29, 2017    Hale Pohaku, HI (map)
46cm f/4.5 Newtonian, Deep Violet @ 175x
Seeing: 7 Transparency: 6 Moon: 24%

An intersting cluster of seven stars found 30' east of M104, the four brighter 7th magnitude stars form a rough arrow pointing towards M104, the Sombrero Galaxy

Andrew Cooper
Apr 17, 2010    Hale Pohaku, HI (map)
46cm f/4.5 Newtonian, Deep Violet @ 175x
Seeing: 7 Transparency: 7 Moon: 0%

Four bright, 7-9mag stars in a vague arrow shape pointing directly at M104 from 30' west

Andrew Cooper
Apr 6, 2007    Hale Pohaku, HI (map)
15cm f/5 Newtonian, Primero @ 35x
Seeing: 8 Transparency: 7 Moon: 0%

An interesting asterism of four bright stars arranged as an arrow, pointing directly at M104 about 25' to the east, the stars range from mag 8-9

Rev. T.W. Webb
May 19, 1885    Hardwick, Herefordshire, England (map)

Beautiful low powered field: fine and singular 7 mg. group np. [NGC4594]

― Celestial Objects for Common Telescopes, T. W. Webb, 1917

Steve Coe

25 arcminutes WNW of M104; chain of 8 stars outline a shark

― SAC Asterism Database