Sir William Herschel's contributions to astronomy during ... descriptions of the visual telescopic appearance of each one of the over 2400 Herschel objects. Wisely using NGC designations throughout, ...
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What are NGC objects, and where did this catalog come from?But what are NGC objects? Where did NGC come from and ... Five years later, in 1786, English astronomer William Herschel published his Catalogue of Nebulae and Clusters of Stars.
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