[/caption] During the month of May, the “Wolf” rises and prowls the skies after midnight. Lupus was one of the 48 original constellations listed by the first century astronomer Ptolemy and on its western border is a Wolf-Rayet planetary nebula – IC 4406 – which contains some of the hottest stars known to be in … Continue reading "A Twinkle in the Wolf’s Eye – IC 4406: A Hubble Visualization by Jukka Metsavainio"