Herschel 400 Objects Which Are Also Caldwell Objects
The Herschel 400 catalogue pre dates the Caldwell catalogue. The Caldwell catalogue contains the following objects which are members of the Herschel 400:
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“Science is the knowledge of many, orderly and methodically
digested and arranged, so as to become attainable by one. The
knowledge of reasons and their conclusions constitutes abstract, that of causes and their effects, and of the laws of nature, natural science.”
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