This loose collections of stars, known as an open star cluster, is image 100 of the Caldwell catalog.
from NASA https://ift.tt/2tZEcx6
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.
from NASA https://ift.tt/2tZEcx6
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