The Star Shells of Centaurus A
Centaurus A is an amazing deep sky object comprising of colliding galaxies. This video shows how to process an LRGB image and how to extract the amazing shells of stars around the galaxies.
The dataset used here is available from Telescope Live.
As an Ambassador and Tutor for Telescope Live I have been processing their excellent data for several years. If you would like to join Telescope Live and work with data like that shown here, you can use this link:
https://bit.ly/3TEoH5Q
which will give you a 50% discount on the first two paid months of subscription with all monthly plans (new users only).
The discount will be applied automatically when using the link above.