Andrew Cooper
Jun 17, 2020    Waikoloa, HI (map)
28cm f/10 SCT, NexStar 11" GyPSy @ 127x
Seeing: 7 Transparency: 6 Moon: 0%

Large, bright, modertely dense at the core, fully resolved, a very nice globular cluster

Andrew Cooper
Jun 11, 2010    Hale Pohaku, HI (map)
46cm f/4.5 Newtonian, Deep Violet @ 175x
Seeing: 8 Transparency: 7.5 Moon: 0%

Small 5', bright concentrated, fully resolved, on the margin of the large dark of B64, a nice globular in a rich starfield

Andrew Cooper
Apr 18, 2010    Hale Pohaku, HI (map)
46cm f/4.5 Newtonian, Deep Violet @ 175x
Seeing: 6 Transparency: 7 Moon: 0%

Nice globular, 3' in diameter, fully resolved, not particularly concentrated at the core

Andrew Cooper
Mar 14, 2010    Hale Pohaku, HI (map)
15cm f/5 Newtonian, Primero @ 55x
Seeing: 7 Transparency: 6.5 Moon: 0%

Small, bright, 5' across, not resolved, moderately condensed at the core

Andrew Cooper
Jun 28, 1998    Santa Rita Mts., AZ (map)
20cm f/10 SCT

Unassuming globular, no stars resolved, compact

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

Small, apparently resolvable: 'a myriad of minute stars, clustering into a blaze in the centre, and wonderfully aggregated with numerous outliers' (Sm.). h., 14 mg.

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

John Herschel
May 18, 1836    

Globular Cluster; bright; round; gradually much brighter toward the middle; 4'; resolved into stars of 14th magnitude.

Charles Messier
May 23, 1764    

Nebula, without star, in the right leg of Ophiuchus; it is round & its light is faint. Observed again on March 22, 1781.

― Connaissance des Temps, 1781

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

A complete list of credits and sources can be found on the about page