HYIP-Man: NASA Image of the Day: Exploring the Night Sky with Hubble’s Caldwell Catalog
Monday, December 30, 2019
NASA Image of the Day: Exploring the Night Sky with Hubble’s Caldwell Catalog
Exploring the Night Sky with Hubble's Caldwell Catalog
This loose collections of stars, known as an open star cluster, is image 100 of the Caldwell catalog.

December 30, 2019
Written at 4:14 PM by Frank.
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