NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC3999
Basic Information
Location and Magnitude
Right Ascension: 11:57:56.4
Declination: +25:4:6
Constellation: LEO
Visual Magnitude: 14.7
Historic Information
Discoverer: Parsons L.
Year of discovery: 1878
Discovery aperture: 72.0
Observational
Summary description: vF, S
Sub-type: S0
Steve's Notes
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NGC 3999
24" (3/22/14): very faint, very small, round, 15" diameter, even surface brightness. Situated 1.4' E of a mag 12 star and 4.5' SSW of mag 8 HD 103913. A string of gaalxies oriented NW to SE begins with NGC 4000, which lies 4.5' N.
17.5" (4/18/98): extremely faint, very small, round, 15" diameter. Requires averted vision and can only hold steadily 2/3 of the time. A mag 12 star is 1.5' preceding. Located 4.6' SSW of mag 7.4 SAO 82077 in the NGC 4005 cluster. The RNGC identification is incorrect.