NGC/IC Project Restoration Effort

(This is a very very beta version)

NGC3993

Basic Information

Location and Magnitude

Right Ascension: 11:57:37.6
Declination: +25:14:25
Constellation: LEO
Visual Magnitude: 13.7

Historic Information

Discoverer: Herschel W.
Year of discovery: 1785
Discovery aperture: 18.7

Observational

Summary description: vF, pS, E, 3 st nr
Sub-type: Sb

Corwin's Notes

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NGC 3993 is not H III 324.  WH's object is, instead, NGC 3997, which see.

Steve's Notes

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NGC 3993

24" (3/22/14): fairly faint, moderately large, very elongated 3:1 or 7:2 NW-SE, 1.2'x0.35', weak concentration.  Two mag 11.5-12 stars are off the NW end.  Sandwiched between NGC 3997 3.0' NE and NGC 3987 4.7' SE.  Also NGC 3989 is 2.5' W.

17.5" (3/19/88): faint, fairly small, very elongated NW-SE, broad concentration.  Forms a pair with NGC 3989 2.7' WSW.  Member of the NGC 4007 group.