NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-24 T04:06:47 PDT
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Reference(s) for object NGC 6939

3 reference(s) found in NED.


1. 1938PASP...50..238M Miller, F. Note on the Distance of the Spiral Nebula NGC 6946
2. 1918PLicO..13....9C Curtis, H. D. Descriptions of 762 Nebulae and Clusters Photographed with the Crossley Reflecto...
3. 1888MmRAS..49....1D Dreyer, J. L. E... A New General Catalogue of Nebulae and Clusters of Stars,being the Catalogue of ...

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