Melotte 15


Patio Heart

As promised, here is a full color version of the Heart Nebula.  In addition to capturing the O-III and S-II bands, I went back to capture more H-a, so the total is about 6 hours of H-a and 3 hours each of the other 2 bands.  The color processing is (in my system of notation) H(SOO_starless), which means that I created a bi-color image with S-II as red and O-III as green and blue, then removed the stars from it, and applied the H-a image as luminance over the bi-color image.  This leaves out a lot of details, but indicates […]