NGC 6528


NGC 6528

Seen close to Gamma2 Sagittarii and NGC 6522.

NGC 6528 is a globular cluster in the Sagittarius, which is listed in the New General Catalogue. Burnham gives it a magnitude 11 and diameter of 1 arc minute, and given class V with stars 16th magnitude and dimmer. Dreyer described it as "pF, cS, R", meaning poor and faint, considerably small and round. [1]

The globular cluster was discovered in 1784 by the astronomer William Herschel with his 18-inch telescopes.

References

  1. Burnham, p.1555
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