The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus. This image is captured by Hubble Space Telescope. V838 Monocerotis is a cataclysmic binary star in the ...
This week’s first target is the triple star Beta (β) Monocerotis. It lies in the southwestern part of the faint constellation Monoceros the Unicorn, less than 4° from that star group’s ...