NGC/IC Project Restoration Effort
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NGC3972
Basic Information
Location and Magnitude
Right Ascension: 11:55:45.3
Declination: +55:19:12
Constellation: UMA
Visual Magnitude: 12.3
Historic Information
Discoverer: Herschel W.
Year of discovery: 1789
Discovery aperture: 18.7
Observational
Summary description: pB, E
Sub-type: SBbc
Corwin's Notes
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NGC 3972. See NGC 3594.
Steve's Notes
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NGC 3972
18" (4/30/11): moderately bright, fairly large, very elongated 3:1 or 7:2 NW-SE, 2.0'x0.6', weak concentration. Two mag 13.4 stars to the southwest are nearly collinear with the core of the galaxy. Observed Supernova 2011by, which was discovered just a few days previously on April 26. It was situtated 19" N and 5" of the nucleus and was easily visible even in darkening twilight. The magnitude was pretty similar to the two stars on the southwest side.
17.5" (4/6/91): fairly faint, moderately large, very elongated 4:1 NW-SE, almost even surface brightness. Forms a pair with NGC 3977 5.4' NE. NGC 3990 and NGC 3992 lie 20' NE and NGC 3982 is 13' SSE.