NGC/IC Project Restoration Effort

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NGC4933

Basic Information

Location and Magnitude

Right Ascension: 13:3:56.7
Declination: -11:29:51
Constellation: VIR
Visual Magnitude: 11.7

Historic Information

Discoverer: Herschel W.
Year of discovery: 1784
Discovery aperture: 18.7

Observational

Summary description: pB, pL, iR
Sub-type: S0-a

Corwin's Notes

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NGC 4933.  This has two components, the brighter one to the northeast.  
Bigourdan misidentified his comparison star one of the two nights he observed
this, so the two components have IC numbers, I4173 and I4176, as well.

The misidentified star led Bigourdan to believe that he had found a third 
"nova" in the field, too.  See IC 4134 = NGC 4920 for the details.

Steve's Notes

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NGC 4933

17.5" (5/17/90): moderately bright, moderately large, dominated by a bright core, faint extensions 2:1 SW-NE.  Forms a contact pair with IC 4173 at the west edge in a common halo (Arp 176).  IC 4173 appeared very faint, extremely small, round.  Located 7.1' NE of mag 7.5 SAO 157687.