@qurlyjoe There are lots of guidelines as to the best way to do it. This might interest you:
"Alt text should be specific and not overly descriptive."
https://design102.blog.gov.uk/2022/01/14/whats-the-alternative-how-to-write-good-alt-text/
design102.blog.gov.ukWhat’s the alternative? How to write good alt text – Design102The official blog of Design102, a creative design studio for government departments, agencies and public bodies who believe design can make a difference.