19 videos in this series on WBPP. Adam Block is a smart guy but boy he does pad his videos out unnecessarily IMO.
https://www.youtube.com/watch?v=aZqPjDN8e40
A few good ones from Lukomatico
https://www.youtube.com/watch?v=wMUTbqIrj40
https://www.youtube.com/watch?v=PCAHLApkfeo
https://www.youtube.com/watch?v=0Z3VI5oLnUc
Great playlist of PI tutorials from VisibleDark
https://www.youtube.com/watch?v=tyY6...FC8r67WWLtPby6
A brilliant video taking you through PI narrowband from Entering Into Space
https://www.youtube.com/watch?v=n-YhqGjooxI
Check out his other videos too
https://www.youtube.com/channel/UCaG...z3ldFUA/videos
And lastly, the one I used on my recent Carina image. This was really easy to follow along:
https://www.youtube.com/watch?v=u7FuApFSGuA