Nice first light. Worthy target too.
RE the flats darks and bias etc.
Do you need them, it depends on how hard you want to push the image. The qhy8 is actually a very smooth and almost noise free camera, I can still say though that for the extra effort your images can only be that little bit better.
In this image the outer loop is easily visible when stretched, the issue becomes how far can I stretch it until the noise becomes objectionable. More frames and quality calibration will extend your possibilities.
Enjoy your new camera.