NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-03-22 T00:06:25 PDT
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Notes for object NGC 4421

2 note(s) found in NED.


1. 1976RC2...C...0000d
Re:NGC 4421
Spectrophotometry:
Observatory, 88, 239, 1968.

2. 1973UGC...C...0000N
Re:UGC 07554
SBa: (de Vaucouleurs)


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