NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC4439
Basic Information
Location and Magnitude
Right Ascension: 12:28:26.3
Declination: -60:6:11
Constellation: CRU
Visual Magnitude: 8.4
Historic Information
Discoverer: Dunlop
Year of discovery: 1826
Discovery aperture: 9.0
Observational
Summary description: Cl, S, st 11…12
Sub-type: II1p
Steve's Notes
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NGC 4439
13.1" (2/20/04 - Costa Rica): at 105x, 20 stars mag 10-13 are arranged in a perfect semi-circle (180 degree arc) open towards the west, with the endpoints directly N-S. A string of three collinear stars, oriented WNW-ESE, sits right in the middle of the semicircle! A wide bright double (HJ 4524 = 8/9.5 at 30") situated less than 5' NW is aligned directly with the center of the cluster! Situated in the middle of the Southern Cross, 55' ENE of mag 3.6 Epsilon Crucis.