Dictionary of Nomenclature of Celestial Objects
greater than 10 arcseconds in diameter on Palomar Sky Survey (Epoch I) plates within 30 degrees of the North Galactic Pole.
More information available here: http://astronomy.mnstate.edu/cabanela/research/MAPSNGP/
In the format, 'O' and 'E' stand for the plate image, 'FFFF' for plate number.
in source:NAME NGP
, VAN ZEE L.
Astrophys. J., 550, 35-38 (2001)
Possible local spiral galaxy counterparts to compact blue galaxies at
o1st ref. with <MAPS-NGP O-FFFF-NNNNNNNA> N=1.
=E=Catalogue in electronic form as VII/214
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