NGC/IC Project Restoration Effort

(This is a very very beta version)

NGC3990

Basic Information

Location and Magnitude

Right Ascension: 11:57:35.5
Declination: +55:27:31
Constellation: UMA
Visual Magnitude: 12.6

Historic Information

Discoverer: Herschel W.
Year of discovery: 1789
Discovery aperture: 18.7

Observational

Summary description: pF, S, lE, pslbM
Sub-type: E-S0

Corwin's Notes

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NGC 3990.  See NGC 3594.

Steve's Notes

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NGC 3990

18" (4/30/11): moderately bright, fairly small, oval 3:2 SW-NE, 0.4'x0.3'. Located 2.9' W of brighter NGC 3998.

17.5" (4/6/91): fairly faint, very small, slightly elongated SW-NE, small bright core.  Forms a pair with NGC 3998 2.9' E.  Located 4.4' S of mag 9.2 SAO 28204.