Here is a picture combining an image of the area of the recent Nova in Cassiopeia.
The 2016 part was cropped from a image posted by Jakub K here
https://www.astrofotoblog.eu/?p=774
Thank you Jakub.
My 2021 image was taken 04/04/2012, compiled from about 45 x 120s exposures.
Scope: Sky Watcher ED80 DS Pro
Mount: Sky Watcher NEQ6
Camera: Altair Astro Hypercam 183C