NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC584
Basic Information
Location and Magnitude
Right Ascension: 1:31:20.5
Declination: -6:52:2
Constellation: CET
Visual Magnitude: 10.5
Historic Information
Discoverer: Herschel W.
Year of discovery: 1785
Discovery aperture: 18.7
Observational
Summary description: vB, pL, R, mbM, p of 2
Sub-type: E4
Corwin's Notes
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NGC 584 = IC 1712, which see.
Steve's Notes
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NGC 584
24" (12/28/16): at 200x and 375x; very bright, large, oval ~3:2 SW-NE, ~2.4'x1.6', sharply concentrated with an intensely bright core that gradually increases to quasi-stellar nucleus. Brightest in a group (LGG 027) with NGC 586 4.3' SE. LEDA 1028168, 7' WNW, appeared extremely faint, fairly small, irregularly round, 20" diameter, very low surface brightness.
17.5" (8/2/86): very bright, moderately large, oval WSW-ENE, very bright large core. Forms a pair with NGC 586 4.5' SE.
8" (9/25/81): bright, round, bright core.