Based on observations made with the NASA/ESA Hubble Space Telescope, and obtained from the Hubble Legacy Archive, which is a collaboration between the Space Telescope Science Institute (STScI/NASA), the Space Telescope European Coordinating Facility (ST-ECF/ESA) and the Canadian Astronomy Data Centre (CADC/NRC/CSA).
Processed using CCDStack and Pixinsight
APOD Sept 13, 2016: https://apod.nasa.gov/apod/ap160913.html
Ha = ACS/WFC F658N WFC
R = ACS/WFC F814W WFC
G = ACS/WFC F550M WFC
B = ACS/WFC F435W WFC