Andrew Cooper
Jun 17, 2020    Waikoloa, HI (map)
28cm f/10 SCT, NexStar 11" GyPSy @ 127x
Seeing: 6 Transparency: 6 Moon: 0%

Bright, large at 5', round, brighter to the center with an obvious stellar core, M84 visible 15' to the west and the thin slash of NGC4388 15' to the south, several fainter galaxies visible in the field

Andrew Cooper
Apr 16, 1999    Organ Pipe Cactus National Monument, AZ (map)
20cm f/10 SCT

Galaxies everywhere! about 6 in field or just outside, M86 just a bit brighter than M84 both round with brighter cores

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

h., very bright, resolvable? nf G.C. 4435, 4438 [NGC4435 and NGC4438]. In this neighborhood Lowe sees 7 nebulæ in large field with fine 15½-in. Calver.

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

Charles Messier
Mar 18, 1781    

Nebula without star, in Virgo, on the parallel & very near to the nebula above, No. 84 [M84]: their appearances are the same, & both appear together in the same field of the telescope

― Connaissance des Temps, 1781

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