5661 5659
Boo
☀11.9mag
Ø 2.7' / 2.6'

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William Herschel discovered NGC 5660 = H II-695 = h1832 on 15 May 1787 (sweep 736) and recorded "pB, cL, iR, vgmbM." John Herschel made a single observation on 13 May 1830 (sweep 257) and called it resolvable (at least granular): "pF; vL; R; vgbM; 3'; resolvable; stars = 20m." His position was good (south side of halo).

300/350mm - 13.1" (3/24/84): moderately bright, weak concentration, diffuse halo. NGC 5676 lies 30' ESE. Located 20' SE of 24 Bootis (V = 5.6).

Notes by Steve Gottlieb