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M95 is a barred-spiral galaxy about 35 million light years away in the constellation of Leo. The bright blue ring surrounding the core of the galaxy traces a region of ongoing star formation. On March 16th, 2012 the death of a massive star in M95 erupted into a type IIP supernova (SN2012aw).
Now that you have completed this section, you are ready to try the following activities:
For this activity, you will be measuring the intensity of the comparison star and supernova in the data files for the galaxy M100. These are labelled in the image below: