Andrew Cooper
Jun 17, 2020    Waikoloa, HI (map)
28cm f/10 SCT, NexStar 11" GyPSy @ 127x

Bright, moderately elongated north-south, brighter to the center with a stellar core

Andrew Cooper
Mar 14, 2010    Hale Pohaku, HI (map)
15cm f/5 Newtonian, Primero @ 55x

Small, bright, no structure noted, M89 is visible 40' south, M91 is 1½° north

Andrew Cooper
Apr 18, 1999    Organ Pipe National Monument, AZ (map)
20cm f/10 SCT

Noticeably elongated on P.A. 30, core brighter

Charles Messier
Mar 18, 1781    

Nebula without star, in Virgo: its light is as faint as the preceding, No. 89 [M89]."

― Connaissance des Temps, 1781

Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.

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