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Monthly Archive for: ‘October, 2013’

Recently an image of M33 was posted on this site made by Michael van Doorn and myself. By searching for some papers on the internet I was able to find databases giving the coordinates of red and yellow hypergiants, post-red hypergiants (supernova progenitors), variable stars and globular clusters in M33. With pixinsight I overlaid these …

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Recently I have teamed up with Michael van Doorn to make some imagery of M33. Michael uses a Celestron C11 with Hyperstar at f/2. This setup has a focal length of about 560mm and so does give a wide field with a high sensitivity. We decided to combine the RGB and Ha from the Hyperstar …

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