NGC 1531, NGC 1532 Wall Art tapestry What makes this nebula shine

What makes this nebula shine is the bright blue star seen to the right of the central cloud

This is an image of MyCn18

From archival images obtained by the NASA Spitzer Space Telescope (seen here) as well as from observations done with the APEX 12-metre sub-millimetre telescope

Image Credit: NASA/JPL-Caltech

but above all about the large-scale mapping of the universe

NGC 1531, NGC 1532 Wall Art tapestry What makes this nebula shineThe pair of galaxies NGC 1531 2, engaged in a spirited waltz, is located about 70 million light years away towards the southern constellation Eridanus (The River). The deformed foreground spiral galaxy laced with dust lanes NGC 1532 is so close to its companion the background galaxy with a bright core just above the centre of NGC 1532 that it gets distorted: one of its spiral arms is warped and plumes of dust and gas are visible above its disc. The