Saturday, April 2, 2022

Melotte 15, Again. Originally Posted December 6, 2021

 Melotte 15 is an open cluster of stars at the center of the Heart Nebula. The bright stars are about 50 times the mass of the sun; the dim stars are a fraction of its size.






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The Horsehead Nebula

This image of the Horsehead Nebula consists of just over 4 hours of total integration time. Stacked and processed in Siril, GraXpert, Affini...