Knew nothing about the so-called 15 Palomar globular clusters, then spotted Palomar 4 lurking in Ursa Major ~ spread across the sky, a handful are visible on DR9/DR10

https://www.legacysurvey.org//viewer/?ra=172.3157&dec=28.9736&layer=ls-dr9&zoom=14&const

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Some of these clusters were originally galaxies of the Local Group, but further imaging reveals they aren’t (eg. Serpens Dwarf)

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yes, I read that on Wikipedia ~ Palomar 4 was incorrectly presumed a dwarf also