NGC/IC Project Restoration Effort

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NGC6584

 

Basic Information


Location and Magnitude


Right Ascension: 18:18:37.7
Declination: -52:12:52
Constellation: TEL
Visual Magnitude: 7.9

Historic Information


Discoverer: Dunlop
Year of discovery: 1826
Discovery aperture: 9.0

Observational


Summary description: globular, cB, cL, R, gmbM, rrr, st 15
Sub-type: VIII

Steve's Notes

===== NGC 6584 11" (8/8/04 - Haleakala Crater): at 127x appeared fairly faint, ~3.5' diameter, broadly concentrated to a 2' core. The globular seemed slightly elongated ~NNW-SSE. Three mag 11 stars cradle the globular on the S, east and NW sides but appear to be field stars. A few faint stars are just resolved in the halo but the central region is unresolved. 18" (7/9/02 - Magellan Observatory, Australia): at 171x this globular appeared fairly bright, moderately large, ~4' diameter with a broad concentration and a fairly symmetric appearance. Resolved into a couple of dozen faint stars, mostly in the halo, which is a bit ragged. The central core is very mottled but unresolved. A few brighter mag 11 stars are just outside the halo, but these appear to be foreground stars. A mag 7.5 star is 13' NW and mag 7.0 star 15' NNE. Located 2.8¡ SE of mag 3.7 Theta Arae at a distance of ~45,000 light years. 8" (7/13/91 - Southern Baja): moderately bright, fairly small, 3' diameter, round, broad concentration to core. Slight resolution at edges and three brighter field stars are off the NW, west and SW sides. Observed at 14¡ elevation from Baja.