https://earthsky.org/tonight/fuzzy-object-near-star-sirius-is-a-star-cluster?fbclid=IwAR1MfIUb91IdCKF6K7Dl458y4QHpyyRnC1BOdltAjgo9AnofBxknme-8jgs
https://earthsky.org/?p=226733
do your research.
