NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC3557
Basic Information
Location and Magnitude
Right Ascension: 11:9:57.4
Declination: -37:32:22
Constellation: CEN
Visual Magnitude: 10.4
Historic Information
Discoverer: Herschel J.
Year of discovery: 1835
Discovery aperture: 18.3
Observational
Summary description: B, S, R, pgmbM, 1st of 3
Sub-type: E3
Corwin's Notes
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"NGC 3557A" = NGC 3533. There is no problem with JH's position of NGC 3533,
nor with de Vaucouleurs's for "NGC 3557A" as he called it in his Stromlo
survey of southern Shapley-Ames galaxies. De Vaucouleurs simply missed the
NGC entry for N3533.
Steve's Notes
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NGC 3557
13.1" (2/17/04 - Costa Rica): fairly bright, fairly large, elongated 3:2 SSW-NNE, 2.5'x1.5'. Sharply concentrated with a prominent 40" core. With averted vision the diffuse outer halo extends to 3'x2' in size. A mag 10.5 star lies 3.3' SE. Brightest in a group (Klemola 18) including NGC 3564 7.7' E and NGC 3568 11.5' NE and part of the Hydra-Centaurus Supercluster. ESO 377-012, 20' WSW, appeared faint, moderately large, elongated roughly 2:1 NW-SE, 1.0'x0.5'. This galaxy has a very unusual appearance as a mag 12.8 star is superimposed and the galaxy appears as a faint, elongated, low surface brightness haze to the south of the star.