NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC4399
Basic Information
Location and Magnitude
Right Ascension: 12:25:42.9
Declination: +33:31:0
Constellation: CVN
Visual Magnitude: 14.0
Historic Information
Discoverer: Stoney J.
Year of discovery: 1850
Discovery aperture: 72.0
Observational
Summary description: vF, form trapezium with 2958 and 62
Sub-type: GxyP
Corwin's Notes
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NGC 4399, NGC 4400, and NGC 4401 are bright HII regions in NGC 4395. WH found
N4395 and N4401, the main body of the galaxy and the brightest HII region,
recording them as two nebulae under one number. Thus, the NGC has the WH
numbers given rather awkwardly as "V 29.1" and "V 29.2." Lord Rosse (or
his observers) found the other two objects, but did not measure their offsets
from nearby stars or the nucleus. Instead, they printed a diagram which can
be pretty easily related to the sky, in spite of some distortion. The lack of
offsets also allowed Dreyer to give only approximate positions for N4399 and
N4400. Lord Rosse's sketch of the field, however, makes the identifications
clear.
Steve's Notes
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NGC 4399
17.5" (5/15/99): faintest of three HII knots observed in NGC 4395. Appeared extremely faint and small, 10"-15" in size and situated 2.3' SW of the ill-defined core on a line with a mag 14.5 star to the NE of the core. Required averted vision to confirm.