This blog post marks the 31st anniversary of the launch of the Hubble Space Telescope. For more information and resources regarding Hubble anniversary, please visit hubblesite.
Hubble at Thirty-one Trips Around the Sun
Are Hubble Images Real? Part I: Image Artifacts
TLDR: Yes, Hubble images are real. This series of posts is dedicated to the scrutiny of Hubble imagery and a broader discussion of the veracity of astronomical imagery. In this post, we'll look at the distracting image artifacts that are removed when creating press imagery.